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<a href="qtreetbl_8c.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno">    1</span>&#160;<span class="comment">/******************************************************************************</span></div>
<div class="line"><a name="l00002"></a><span class="lineno">    2</span>&#160;<span class="comment"> * qLibc</span></div>
<div class="line"><a name="l00003"></a><span class="lineno">    3</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00004"></a><span class="lineno">    4</span>&#160;<span class="comment"> * Copyright (c) 2010-2015 Seungyoung Kim.</span></div>
<div class="line"><a name="l00005"></a><span class="lineno">    5</span>&#160;<span class="comment"> * All rights reserved.</span></div>
<div class="line"><a name="l00006"></a><span class="lineno">    6</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00007"></a><span class="lineno">    7</span>&#160;<span class="comment"> * Redistribution and use in source and binary forms, with or without</span></div>
<div class="line"><a name="l00008"></a><span class="lineno">    8</span>&#160;<span class="comment"> * modification, are permitted provided that the following conditions are met:</span></div>
<div class="line"><a name="l00009"></a><span class="lineno">    9</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00010"></a><span class="lineno">   10</span>&#160;<span class="comment"> * 1. Redistributions of source code must retain the above copyright notice,</span></div>
<div class="line"><a name="l00011"></a><span class="lineno">   11</span>&#160;<span class="comment"> *    this list of conditions and the following disclaimer.</span></div>
<div class="line"><a name="l00012"></a><span class="lineno">   12</span>&#160;<span class="comment"> * 2. Redistributions in binary form must reproduce the above copyright notice,</span></div>
<div class="line"><a name="l00013"></a><span class="lineno">   13</span>&#160;<span class="comment"> *    this list of conditions and the following disclaimer in the documentation</span></div>
<div class="line"><a name="l00014"></a><span class="lineno">   14</span>&#160;<span class="comment"> *    and/or other materials provided with the distribution.</span></div>
<div class="line"><a name="l00015"></a><span class="lineno">   15</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00016"></a><span class="lineno">   16</span>&#160;<span class="comment"> * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS &quot;AS IS&quot;</span></div>
<div class="line"><a name="l00017"></a><span class="lineno">   17</span>&#160;<span class="comment"> * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE</span></div>
<div class="line"><a name="l00018"></a><span class="lineno">   18</span>&#160;<span class="comment"> * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE</span></div>
<div class="line"><a name="l00019"></a><span class="lineno">   19</span>&#160;<span class="comment"> * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE</span></div>
<div class="line"><a name="l00020"></a><span class="lineno">   20</span>&#160;<span class="comment"> * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR</span></div>
<div class="line"><a name="l00021"></a><span class="lineno">   21</span>&#160;<span class="comment"> * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF</span></div>
<div class="line"><a name="l00022"></a><span class="lineno">   22</span>&#160;<span class="comment"> * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS</span></div>
<div class="line"><a name="l00023"></a><span class="lineno">   23</span>&#160;<span class="comment"> * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN</span></div>
<div class="line"><a name="l00024"></a><span class="lineno">   24</span>&#160;<span class="comment"> * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)</span></div>
<div class="line"><a name="l00025"></a><span class="lineno">   25</span>&#160;<span class="comment"> * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE</span></div>
<div class="line"><a name="l00026"></a><span class="lineno">   26</span>&#160;<span class="comment"> * POSSIBILITY OF SUCH DAMAGE.</span></div>
<div class="line"><a name="l00027"></a><span class="lineno">   27</span>&#160;<span class="comment"> *****************************************************************************/</span></div>
<div class="line"><a name="l00028"></a><span class="lineno">   28</span>&#160;<span class="comment"></span></div>
<div class="line"><a name="l00029"></a><span class="lineno">   29</span>&#160;<span class="comment">/**</span></div>
<div class="line"><a name="l00030"></a><span class="lineno">   30</span>&#160;<span class="comment"> * @file qtreetbl.c Tree Table container that implements &quot;Left-Leaning Red-Black&quot;</span></div>
<div class="line"><a name="l00031"></a><span class="lineno">   31</span>&#160;<span class="comment"> * BST algorithm.</span></div>
<div class="line"><a name="l00032"></a><span class="lineno">   32</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00033"></a><span class="lineno">   33</span>&#160;<span class="comment"> * qtreetbl implements a binary search tree that allows efficient in-order traversal</span></div>
<div class="line"><a name="l00034"></a><span class="lineno">   34</span>&#160;<span class="comment"> * with O(log n) search time.</span></div>
<div class="line"><a name="l00035"></a><span class="lineno">   35</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00036"></a><span class="lineno">   36</span>&#160;<span class="comment"> * The algorithm qtreetbl specifically implements is left-leaning red-black tree</span></div>
<div class="line"><a name="l00037"></a><span class="lineno">   37</span>&#160;<span class="comment"> * algorithm invented in 2008 by Robert Sedgewick. A left-leaning red–black tree</span></div>
<div class="line"><a name="l00038"></a><span class="lineno">   38</span>&#160;<span class="comment"> * is a type of self-balancing binary search tree and it is a variant of the</span></div>
<div class="line"><a name="l00039"></a><span class="lineno">   39</span>&#160;<span class="comment"> * red–black tree which was invented in 1972 by Rudolf Bayer.</span></div>
<div class="line"><a name="l00040"></a><span class="lineno">   40</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00041"></a><span class="lineno">   41</span>&#160;<span class="comment"> * References:</span></div>
<div class="line"><a name="l00042"></a><span class="lineno">   42</span>&#160;<span class="comment"> * - http://www.cs.princeton.edu/~rs/talks/LLRB/LLRB.pdf</span></div>
<div class="line"><a name="l00043"></a><span class="lineno">   43</span>&#160;<span class="comment"> * - http://www.cs.princeton.edu/~rs/talks/LLRB/RedBlack.pdf</span></div>
<div class="line"><a name="l00044"></a><span class="lineno">   44</span>&#160;<span class="comment"> * - http://en.wikipedia.org/wiki/Left-leaning_red-black_tree</span></div>
<div class="line"><a name="l00045"></a><span class="lineno">   45</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00046"></a><span class="lineno">   46</span>&#160;<span class="comment"> * Following example code will construct the data structure shown in below</span></div>
<div class="line"><a name="l00047"></a><span class="lineno">   47</span>&#160;<span class="comment"> * diagram. This example is quoted from the inventor&#39;s presentation slide</span></div>
<div class="line"><a name="l00048"></a><span class="lineno">   48</span>&#160;<span class="comment"> * p24-p25, http://www.cs.princeton.edu/~rs/talks/LLRB/RedBlack.pdf and</span></div>
<div class="line"><a name="l00049"></a><span class="lineno">   49</span>&#160;<span class="comment"> * used in unit tests for verification purpose.</span></div>
<div class="line"><a name="l00050"></a><span class="lineno">   50</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00051"></a><span class="lineno">   51</span>&#160;<span class="comment"> *                                (E)</span></div>
<div class="line"><a name="l00052"></a><span class="lineno">   52</span>&#160;<span class="comment"> *                   ______________|______________</span></div>
<div class="line"><a name="l00053"></a><span class="lineno">   53</span>&#160;<span class="comment"> *                  /                             \</span></div>
<div class="line"><a name="l00054"></a><span class="lineno">   54</span>&#160;<span class="comment"> *                 (C)                           (R)</span></div>
<div class="line"><a name="l00055"></a><span class="lineno">   55</span>&#160;<span class="comment"> *                /   \                         /   \</span></div>
<div class="line"><a name="l00056"></a><span class="lineno">   56</span>&#160;<span class="comment"> *            (A,B)   (D)                   (I,N)   (S,X)</span></div>
<div class="line"><a name="l00057"></a><span class="lineno">   57</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00058"></a><span class="lineno">   58</span>&#160;<span class="comment"> *                   &lt;2-3-4 Tree Data Structure&gt;</span></div>
<div class="line"><a name="l00059"></a><span class="lineno">   59</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00060"></a><span class="lineno">   60</span>&#160;<span class="comment"> *                                 E</span></div>
<div class="line"><a name="l00061"></a><span class="lineno">   61</span>&#160;<span class="comment"> *                   ______________|______________</span></div>
<div class="line"><a name="l00062"></a><span class="lineno">   62</span>&#160;<span class="comment"> *                  /                             \</span></div>
<div class="line"><a name="l00063"></a><span class="lineno">   63</span>&#160;<span class="comment"> *                 C                               R</span></div>
<div class="line"><a name="l00064"></a><span class="lineno">   64</span>&#160;<span class="comment"> *          _______|_______                 _______|_______</span></div>
<div class="line"><a name="l00065"></a><span class="lineno">   65</span>&#160;<span class="comment"> *         /               \               /               \</span></div>
<div class="line"><a name="l00066"></a><span class="lineno">   66</span>&#160;<span class="comment"> *        B                 D             N                 X</span></div>
<div class="line"><a name="l00067"></a><span class="lineno">   67</span>&#160;<span class="comment"> *      //                              //                //</span></div>
<div class="line"><a name="l00068"></a><span class="lineno">   68</span>&#160;<span class="comment"> *     A*                              I*                S*</span></div>
<div class="line"><a name="l00069"></a><span class="lineno">   69</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00070"></a><span class="lineno">   70</span>&#160;<span class="comment"> *            Tree Info : tot=10, red=3, black=-7, root=E</span></div>
<div class="line"><a name="l00071"></a><span class="lineno">   71</span>&#160;<span class="comment"> *     Nodes A, I and S are nodes with RED upper link. Others are BLACK</span></div>
<div class="line"><a name="l00072"></a><span class="lineno">   72</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00073"></a><span class="lineno">   73</span>&#160;<span class="comment"> *            &lt;Left-Leaning Red-Black Tree Data Structure&gt;</span></div>
<div class="line"><a name="l00074"></a><span class="lineno">   74</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00075"></a><span class="lineno">   75</span>&#160;<span class="comment"> * Red-Black BST algorithm has been one of the famous BST algorithm especially</span></div>
<div class="line"><a name="l00076"></a><span class="lineno">   76</span>&#160;<span class="comment"> * for in-memory operation. It&#39;s been using in all around the computing area.</span></div>
<div class="line"><a name="l00077"></a><span class="lineno">   77</span>&#160;<span class="comment"> * I was very impressed about this variant, Left-Leaning version of Red-Black</span></div>
<div class="line"><a name="l00078"></a><span class="lineno">   78</span>&#160;<span class="comment"> * about how it improves the performance and reduces the overall complexity.</span></div>
<div class="line"><a name="l00079"></a><span class="lineno">   79</span>&#160;<span class="comment"> * Since it&#39;s relatively new algorithm, there&#39;s not many of practically functional</span></div>
<div class="line"><a name="l00080"></a><span class="lineno">   80</span>&#160;<span class="comment"> * working codes yet other than proof of concept kinds. Here&#39;s one of fully</span></div>
<div class="line"><a name="l00081"></a><span class="lineno">   81</span>&#160;<span class="comment"> * functional codes and I, Seungyoung Kim, would like to dedicate this code to</span></div>
<div class="line"><a name="l00082"></a><span class="lineno">   82</span>&#160;<span class="comment"> * the genius inventor Robert Sedgewick and to all the great qLibc users.</span></div>
<div class="line"><a name="l00083"></a><span class="lineno">   83</span>&#160;<span class="comment"> * Cheers!</span></div>
<div class="line"><a name="l00084"></a><span class="lineno">   84</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00085"></a><span class="lineno">   85</span>&#160;<span class="comment"> * Unique features:</span></div>
<div class="line"><a name="l00086"></a><span class="lineno">   86</span>&#160;<span class="comment"> *   - iterator. (have you ever seen iterator implementation in LLRB tree?)</span></div>
<div class="line"><a name="l00087"></a><span class="lineno">   87</span>&#160;<span class="comment"> *   - find nearest key. (have you ever seen this as well? :)</span></div>
<div class="line"><a name="l00088"></a><span class="lineno">   88</span>&#160;<span class="comment"> *   - iteration from given key.</span></div>
<div class="line"><a name="l00089"></a><span class="lineno">   89</span>&#160;<span class="comment"> *   - find min/max key.</span></div>
<div class="line"><a name="l00090"></a><span class="lineno">   90</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00091"></a><span class="lineno">   91</span>&#160;<span class="comment"> * @code</span></div>
<div class="line"><a name="l00092"></a><span class="lineno">   92</span>&#160;<span class="comment"> *  qtreetbl_t *tbl = qtreetbl(QTREETBL_THREADSAFE);</span></div>
<div class="line"><a name="l00093"></a><span class="lineno">   93</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00094"></a><span class="lineno">   94</span>&#160;<span class="comment"> *  tbl-&gt;put(tbl, &quot;key&quot;, &quot;DATA&quot;, 4);          // use put_by_obj() for binary keys.</span></div>
<div class="line"><a name="l00095"></a><span class="lineno">   95</span>&#160;<span class="comment"> *  void *data = tbl-&gt;get(tbl, &quot;key&quot;, false); // use get_by_obj() for binary keys.</span></div>
<div class="line"><a name="l00096"></a><span class="lineno">   96</span>&#160;<span class="comment"> *  tbl-&gt;remove(tbl, &quot;key&quot;);                  // use remove_by_key() for binary keys.</span></div>
<div class="line"><a name="l00097"></a><span class="lineno">   97</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00098"></a><span class="lineno">   98</span>&#160;<span class="comment"> *  // iteration example</span></div>
<div class="line"><a name="l00099"></a><span class="lineno">   99</span>&#160;<span class="comment"> *  tbl-&gt;lock(tbl);</span></div>
<div class="line"><a name="l00100"></a><span class="lineno">  100</span>&#160;<span class="comment"> *  qtreetbl_obj_t obj = tbl-&gt;find_nearest(tbl, &quot;k&quot;, 2, false);</span></div>
<div class="line"><a name="l00101"></a><span class="lineno">  101</span>&#160;<span class="comment"> *  while (tbl-&gt;getnext(tbl, &amp;obj, false) == true) {</span></div>
<div class="line"><a name="l00102"></a><span class="lineno">  102</span>&#160;<span class="comment"> *    ...</span></div>
<div class="line"><a name="l00103"></a><span class="lineno">  103</span>&#160;<span class="comment"> *  }</span></div>
<div class="line"><a name="l00104"></a><span class="lineno">  104</span>&#160;<span class="comment"> *  tbl-&gt;unlock(tbl);</span></div>
<div class="line"><a name="l00105"></a><span class="lineno">  105</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00106"></a><span class="lineno">  106</span>&#160;<span class="comment"> *  tbl-&gt;set_compare(tbl, my_compare_func);</span></div>
<div class="line"><a name="l00107"></a><span class="lineno">  107</span>&#160;<span class="comment"> *  size_t num = tbl-&gt;size(tbl);</span></div>
<div class="line"><a name="l00108"></a><span class="lineno">  108</span>&#160;<span class="comment"> *  void *min = tbl-&gt;find_min(tbl, &amp;keysize);</span></div>
<div class="line"><a name="l00109"></a><span class="lineno">  109</span>&#160;<span class="comment"> *  qtree_clean();</span></div>
<div class="line"><a name="l00110"></a><span class="lineno">  110</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00111"></a><span class="lineno">  111</span>&#160;<span class="comment"> *  tbl-&gt;free(tbl);</span></div>
<div class="line"><a name="l00112"></a><span class="lineno">  112</span>&#160;<span class="comment"> * @endcode</span></div>
<div class="line"><a name="l00113"></a><span class="lineno">  113</span>&#160;<span class="comment"> */</span></div>
<div class="line"><a name="l00114"></a><span class="lineno">  114</span>&#160;</div>
<div class="line"><a name="l00115"></a><span class="lineno">  115</span>&#160;<span class="preprocessor">#include &lt;stdio.h&gt;</span></div>
<div class="line"><a name="l00116"></a><span class="lineno">  116</span>&#160;<span class="preprocessor">#include &lt;stdlib.h&gt;</span></div>
<div class="line"><a name="l00117"></a><span class="lineno">  117</span>&#160;<span class="preprocessor">#include &lt;stdbool.h&gt;</span></div>
<div class="line"><a name="l00118"></a><span class="lineno">  118</span>&#160;<span class="preprocessor">#include &lt;string.h&gt;</span></div>
<div class="line"><a name="l00119"></a><span class="lineno">  119</span>&#160;<span class="preprocessor">#include &lt;stdarg.h&gt;</span></div>
<div class="line"><a name="l00120"></a><span class="lineno">  120</span>&#160;<span class="preprocessor">#include &lt;errno.h&gt;</span></div>
<div class="line"><a name="l00121"></a><span class="lineno">  121</span>&#160;<span class="preprocessor">#include &lt;assert.h&gt;</span></div>
<div class="line"><a name="l00122"></a><span class="lineno">  122</span>&#160;<span class="preprocessor">#include &quot;qinternal.h&quot;</span></div>
<div class="line"><a name="l00123"></a><span class="lineno">  123</span>&#160;<span class="preprocessor">#include &quot;utilities/qstring.h&quot;</span></div>
<div class="line"><a name="l00124"></a><span class="lineno">  124</span>&#160;<span class="preprocessor">#include &quot;containers/qtreetbl.h&quot;</span></div>
<div class="line"><a name="l00125"></a><span class="lineno">  125</span>&#160;</div>
<div class="line"><a name="l00126"></a><span class="lineno">  126</span>&#160;<span class="preprocessor">#ifndef _DOXYGEN_SKIP</span></div>
<div class="line"><a name="l00127"></a><span class="lineno">  127</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00128"></a><span class="lineno">  128</span>&#160;<span class="comment">/* internal functions */</span></div>
<div class="line"><a name="l00129"></a><span class="lineno">  129</span>&#160;<span class="keyword">static</span> <span class="keywordtype">bool</span> is_red(qtreetbl_obj_t *obj);</div>
<div class="line"><a name="l00130"></a><span class="lineno">  130</span>&#160;<span class="keyword">static</span> qtreetbl_obj_t *flip_color(qtreetbl_obj_t *obj);</div>
<div class="line"><a name="l00131"></a><span class="lineno">  131</span>&#160;<span class="keyword">static</span> qtreetbl_obj_t *rotate_left(qtreetbl_obj_t *obj);</div>
<div class="line"><a name="l00132"></a><span class="lineno">  132</span>&#160;<span class="keyword">static</span> qtreetbl_obj_t *rotate_right(qtreetbl_obj_t *obj);</div>
<div class="line"><a name="l00133"></a><span class="lineno">  133</span>&#160;<span class="keyword">static</span> qtreetbl_obj_t *move_red_left(qtreetbl_obj_t *obj);</div>
<div class="line"><a name="l00134"></a><span class="lineno">  134</span>&#160;<span class="keyword">static</span> qtreetbl_obj_t *move_red_right(qtreetbl_obj_t *obj);</div>
<div class="line"><a name="l00135"></a><span class="lineno">  135</span>&#160;<span class="keyword">static</span> qtreetbl_obj_t *fix(qtreetbl_obj_t *obj);</div>
<div class="line"><a name="l00136"></a><span class="lineno">  136</span>&#160;<span class="keyword">static</span> qtreetbl_obj_t *find_min(qtreetbl_obj_t *obj);</div>
<div class="line"><a name="l00137"></a><span class="lineno">  137</span>&#160;<span class="keyword">static</span> qtreetbl_obj_t *find_max(qtreetbl_obj_t *obj);</div>
<div class="line"><a name="l00138"></a><span class="lineno">  138</span>&#160;<span class="keyword">static</span> qtreetbl_obj_t *find_obj(qtreetbl_t *tbl, <span class="keyword">const</span> <span class="keywordtype">void</span> *name,</div>
<div class="line"><a name="l00139"></a><span class="lineno">  139</span>&#160;                                <span class="keywordtype">size_t</span> namesize);</div>
<div class="line"><a name="l00140"></a><span class="lineno">  140</span>&#160;<span class="keyword">static</span> qtreetbl_obj_t *remove_min(qtreetbl_obj_t *obj);</div>
<div class="line"><a name="l00141"></a><span class="lineno">  141</span>&#160;<span class="keyword">static</span> qtreetbl_obj_t *new_obj(<span class="keywordtype">bool</span> red, <span class="keyword">const</span> <span class="keywordtype">void</span> *name, <span class="keywordtype">size_t</span> namesize,</div>
<div class="line"><a name="l00142"></a><span class="lineno">  142</span>&#160;                               <span class="keyword">const</span> <span class="keywordtype">void</span> *data, <span class="keywordtype">size_t</span> datasize);</div>
<div class="line"><a name="l00143"></a><span class="lineno">  143</span>&#160;<span class="keyword">static</span> qtreetbl_obj_t *put_obj(qtreetbl_t *tbl, qtreetbl_obj_t *obj,</div>
<div class="line"><a name="l00144"></a><span class="lineno">  144</span>&#160;                               <span class="keyword">const</span> <span class="keywordtype">void</span> *name, <span class="keywordtype">size_t</span> namesize,</div>
<div class="line"><a name="l00145"></a><span class="lineno">  145</span>&#160;                               <span class="keyword">const</span> <span class="keywordtype">void</span> *data, <span class="keywordtype">size_t</span> datasize);</div>
<div class="line"><a name="l00146"></a><span class="lineno">  146</span>&#160;<span class="keyword">static</span> qtreetbl_obj_t *remove_obj(qtreetbl_t *tbl, qtreetbl_obj_t *obj,</div>
<div class="line"><a name="l00147"></a><span class="lineno">  147</span>&#160;                                  <span class="keyword">const</span> <span class="keywordtype">void</span> *name, <span class="keywordtype">size_t</span> namesize);</div>
<div class="line"><a name="l00148"></a><span class="lineno">  148</span>&#160;<span class="keyword">static</span> <span class="keywordtype">void</span> free_objs(qtreetbl_obj_t *obj);</div>
<div class="line"><a name="l00149"></a><span class="lineno">  149</span>&#160;<span class="keyword">static</span> <span class="keywordtype">void</span> free_obj(qtreetbl_obj_t *obj);</div>
<div class="line"><a name="l00150"></a><span class="lineno">  150</span>&#160;<span class="keyword">static</span> uint8_t reset_iterator(qtreetbl_t *tbl);</div>
<div class="line"><a name="l00151"></a><span class="lineno">  151</span>&#160;</div>
<div class="line"><a name="l00152"></a><span class="lineno">  152</span>&#160;<span class="preprocessor">#endif</span></div>
<div class="line"><a name="l00153"></a><span class="lineno">  153</span>&#160;<span class="preprocessor"></span><span class="comment"></span></div>
<div class="line"><a name="l00154"></a><span class="lineno">  154</span>&#160;<span class="comment">/**</span></div>
<div class="line"><a name="l00155"></a><span class="lineno">  155</span>&#160;<span class="comment"> * Initialize a tree table.</span></div>
<div class="line"><a name="l00156"></a><span class="lineno">  156</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00157"></a><span class="lineno">  157</span>&#160;<span class="comment"> * @param options   combination of initialization options.</span></div>
<div class="line"><a name="l00158"></a><span class="lineno">  158</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00159"></a><span class="lineno">  159</span>&#160;<span class="comment"> * @return a pointer of malloced qtreetbl_t, otherwise returns NULL.</span></div>
<div class="line"><a name="l00160"></a><span class="lineno">  160</span>&#160;<span class="comment"> * @retval errno will be set in error condition.</span></div>
<div class="line"><a name="l00161"></a><span class="lineno">  161</span>&#160;<span class="comment"> *  - ENOMEM : Memory allocation failure.</span></div>
<div class="line"><a name="l00162"></a><span class="lineno">  162</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00163"></a><span class="lineno">  163</span>&#160;<span class="comment"> * @code</span></div>
<div class="line"><a name="l00164"></a><span class="lineno">  164</span>&#160;<span class="comment"> *  qtreetbl_t *tbl = qtreetbl(0);</span></div>
<div class="line"><a name="l00165"></a><span class="lineno">  165</span>&#160;<span class="comment"> * @endcode</span></div>
<div class="line"><a name="l00166"></a><span class="lineno">  166</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00167"></a><span class="lineno">  167</span>&#160;<span class="comment"> * @note</span></div>
<div class="line"><a name="l00168"></a><span class="lineno">  168</span>&#160;<span class="comment"> *   Available options:</span></div>
<div class="line"><a name="l00169"></a><span class="lineno">  169</span>&#160;<span class="comment"> *   - QTREETBL_THREADSAFE - make it thread-safe.</span></div>
<div class="line"><a name="l00170"></a><span class="lineno">  170</span>&#160;<span class="comment"> */</span></div>
<div class="line"><a name="l00171"></a><span class="lineno"><a class="line" href="qtreetbl_8c.html#a598c177098cb87a5d2f9e898cc2cfeed">  171</a></span>&#160;qtreetbl_t *<a class="code" href="qtreetbl_8c.html#a598c177098cb87a5d2f9e898cc2cfeed">qtreetbl</a>(<span class="keywordtype">int</span> options) {</div>
<div class="line"><a name="l00172"></a><span class="lineno">  172</span>&#160;    qtreetbl_t *tbl = (qtreetbl_t *) calloc(1, <span class="keyword">sizeof</span>(qtreetbl_t));</div>
<div class="line"><a name="l00173"></a><span class="lineno">  173</span>&#160;    <span class="keywordflow">if</span> (tbl == NULL)</div>
<div class="line"><a name="l00174"></a><span class="lineno">  174</span>&#160;        <span class="keywordflow">goto</span> malloc_failure;</div>
<div class="line"><a name="l00175"></a><span class="lineno">  175</span>&#160;</div>
<div class="line"><a name="l00176"></a><span class="lineno">  176</span>&#160;    <span class="comment">// handle options.</span></div>
<div class="line"><a name="l00177"></a><span class="lineno">  177</span>&#160;    <span class="keywordflow">if</span> (options &amp; QTREETBL_THREADSAFE) {</div>
<div class="line"><a name="l00178"></a><span class="lineno">  178</span>&#160;        Q_MUTEX_NEW(tbl-&gt;qmutex, <span class="keyword">true</span>);</div>
<div class="line"><a name="l00179"></a><span class="lineno">  179</span>&#160;        <span class="keywordflow">if</span> (tbl-&gt;qmutex == NULL)</div>
<div class="line"><a name="l00180"></a><span class="lineno">  180</span>&#160;            <span class="keywordflow">goto</span> malloc_failure;</div>
<div class="line"><a name="l00181"></a><span class="lineno">  181</span>&#160;    }</div>
<div class="line"><a name="l00182"></a><span class="lineno">  182</span>&#160;</div>
<div class="line"><a name="l00183"></a><span class="lineno">  183</span>&#160;    <span class="comment">// assign methods</span></div>
<div class="line"><a name="l00184"></a><span class="lineno">  184</span>&#160;    tbl-&gt;set_compare = <a class="code" href="qtreetbl_8c.html#af9e239f384bd9939c34361a45dd496a6">qtreetbl_set_compare</a>;</div>
<div class="line"><a name="l00185"></a><span class="lineno">  185</span>&#160;</div>
<div class="line"><a name="l00186"></a><span class="lineno">  186</span>&#160;    tbl-&gt;put = <a class="code" href="qtreetbl_8c.html#a49e05111c8541c7155e352fb618cf170">qtreetbl_put</a>;</div>
<div class="line"><a name="l00187"></a><span class="lineno">  187</span>&#160;    tbl-&gt;putstr = <a class="code" href="qtreetbl_8c.html#a31e5908f6885033a58e354928e489b83">qtreetbl_putstr</a>;</div>
<div class="line"><a name="l00188"></a><span class="lineno">  188</span>&#160;    tbl-&gt;putstrf = <a class="code" href="qtreetbl_8c.html#ac475383244c35814d0950f0fa0c6414e">qtreetbl_putstrf</a>;</div>
<div class="line"><a name="l00189"></a><span class="lineno">  189</span>&#160;    tbl-&gt;put_by_obj = <a class="code" href="qtreetbl_8c.html#ad2a7a784bf15be78fb7e72ab25940fe5">qtreetbl_put_by_obj</a>;</div>
<div class="line"><a name="l00190"></a><span class="lineno">  190</span>&#160;</div>
<div class="line"><a name="l00191"></a><span class="lineno">  191</span>&#160;    tbl-&gt;get = <a class="code" href="qtreetbl_8c.html#ab3232b711f0462533a066ecffb01a297">qtreetbl_get</a>;</div>
<div class="line"><a name="l00192"></a><span class="lineno">  192</span>&#160;    tbl-&gt;getstr = <a class="code" href="qtreetbl_8c.html#a54b587a2c2d1a377cdc54c0e2e32d400">qtreetbl_getstr</a>;</div>
<div class="line"><a name="l00193"></a><span class="lineno">  193</span>&#160;    <span class="comment">//tbl-&gt;getint = qtreetbl_getint;</span></div>
<div class="line"><a name="l00194"></a><span class="lineno">  194</span>&#160;    tbl-&gt;get_by_obj = <a class="code" href="qtreetbl_8c.html#a6ad04787f2efd3d4324b51fbb826fb38">qtreetbl_get_by_obj</a>;</div>
<div class="line"><a name="l00195"></a><span class="lineno">  195</span>&#160;</div>
<div class="line"><a name="l00196"></a><span class="lineno">  196</span>&#160;    tbl-&gt;remove = <a class="code" href="qtreetbl_8c.html#a3354408a36cb5d6fd724727dda04d1f3">qtreetbl_remove</a>;</div>
<div class="line"><a name="l00197"></a><span class="lineno">  197</span>&#160;    tbl-&gt;remove_by_obj = <a class="code" href="qtreetbl_8c.html#a5b9465db5b03cb85a9b2d364b34d380f">qtreetbl_remove_by_obj</a>;</div>
<div class="line"><a name="l00198"></a><span class="lineno">  198</span>&#160;</div>
<div class="line"><a name="l00199"></a><span class="lineno">  199</span>&#160;    tbl-&gt;getnext = <a class="code" href="qtreetbl_8c.html#aeb32bf5a193a0b7276cff302d3fcd090">qtreetbl_getnext</a>;</div>
<div class="line"><a name="l00200"></a><span class="lineno">  200</span>&#160;</div>
<div class="line"><a name="l00201"></a><span class="lineno">  201</span>&#160;    tbl-&gt;find_min = <a class="code" href="qtreetbl_8c.html#a1f037a026ec877becd4f010226e00ea4">qtreetbl_find_min</a>;</div>
<div class="line"><a name="l00202"></a><span class="lineno">  202</span>&#160;    tbl-&gt;find_max = <a class="code" href="qtreetbl_8c.html#a1f70611ea89775d0ec580cc13eaa0069">qtreetbl_find_max</a>;</div>
<div class="line"><a name="l00203"></a><span class="lineno">  203</span>&#160;    tbl-&gt;find_nearest = <a class="code" href="qtreetbl_8c.html#aa2c4f3ac4623feb251fadabbdf734bdd">qtreetbl_find_nearest</a>;</div>
<div class="line"><a name="l00204"></a><span class="lineno">  204</span>&#160;</div>
<div class="line"><a name="l00205"></a><span class="lineno">  205</span>&#160;    tbl-&gt;size = <a class="code" href="qtreetbl_8c.html#a3537212a86616d50459eec229d94f8e4">qtreetbl_size</a>;</div>
<div class="line"><a name="l00206"></a><span class="lineno">  206</span>&#160;    tbl-&gt;clear = <a class="code" href="qtreetbl_8c.html#a7b324cf9e317a2623c5767b8a0183f72">qtreetbl_clear</a>;</div>
<div class="line"><a name="l00207"></a><span class="lineno">  207</span>&#160;</div>
<div class="line"><a name="l00208"></a><span class="lineno">  208</span>&#160;    tbl-&gt;lock = <a class="code" href="qtreetbl_8c.html#a5c8aa458bac0dc5e7dc0ab97c6f52dfd">qtreetbl_lock</a>;</div>
<div class="line"><a name="l00209"></a><span class="lineno">  209</span>&#160;    tbl-&gt;unlock = <a class="code" href="qtreetbl_8c.html#a88a8e67f478390c6b25780fda3134a8d">qtreetbl_unlock</a>;</div>
<div class="line"><a name="l00210"></a><span class="lineno">  210</span>&#160;</div>
<div class="line"><a name="l00211"></a><span class="lineno">  211</span>&#160;    tbl-&gt;free = <a class="code" href="qtreetbl_8c.html#a2bac240b706b85273338a26fb986eee7">qtreetbl_free</a>;</div>
<div class="line"><a name="l00212"></a><span class="lineno">  212</span>&#160;    tbl-&gt;debug = <a class="code" href="qtreetbl_8c.html#a663dfe23addb8debd1c3da5e54d2c930">qtreetbl_debug</a>;</div>
<div class="line"><a name="l00213"></a><span class="lineno">  213</span>&#160;</div>
<div class="line"><a name="l00214"></a><span class="lineno">  214</span>&#160;    <span class="comment">// Set default comparison function.</span></div>
<div class="line"><a name="l00215"></a><span class="lineno">  215</span>&#160;    <a class="code" href="qtreetbl_8c.html#af9e239f384bd9939c34361a45dd496a6">qtreetbl_set_compare</a>(tbl, qtreetbl_byte_cmp);</div>
<div class="line"><a name="l00216"></a><span class="lineno">  216</span>&#160;    reset_iterator(tbl);</div>
<div class="line"><a name="l00217"></a><span class="lineno">  217</span>&#160;</div>
<div class="line"><a name="l00218"></a><span class="lineno">  218</span>&#160;    <span class="keywordflow">return</span> tbl;</div>
<div class="line"><a name="l00219"></a><span class="lineno">  219</span>&#160;</div>
<div class="line"><a name="l00220"></a><span class="lineno">  220</span>&#160;    malloc_failure:</div>
<div class="line"><a name="l00221"></a><span class="lineno">  221</span>&#160;    errno = ENOMEM;</div>
<div class="line"><a name="l00222"></a><span class="lineno">  222</span>&#160;    <span class="keywordflow">if</span> (tbl) {</div>
<div class="line"><a name="l00223"></a><span class="lineno">  223</span>&#160;        assert(tbl-&gt;qmutex == NULL);</div>
<div class="line"><a name="l00224"></a><span class="lineno">  224</span>&#160;        <a class="code" href="qtreetbl_8c.html#a2bac240b706b85273338a26fb986eee7">qtreetbl_free</a>(tbl);</div>
<div class="line"><a name="l00225"></a><span class="lineno">  225</span>&#160;    }</div>
<div class="line"><a name="l00226"></a><span class="lineno">  226</span>&#160;    <span class="keywordflow">return</span> NULL;</div>
<div class="line"><a name="l00227"></a><span class="lineno">  227</span>&#160;}</div>
<div class="line"><a name="l00228"></a><span class="lineno">  228</span>&#160;<span class="comment"></span></div>
<div class="line"><a name="l00229"></a><span class="lineno">  229</span>&#160;<span class="comment">/**</span></div>
<div class="line"><a name="l00230"></a><span class="lineno">  230</span>&#160;<span class="comment"> * qtreetbl-&gt;set_compare(): Set user comparator.</span></div>
<div class="line"><a name="l00231"></a><span class="lineno">  231</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00232"></a><span class="lineno">  232</span>&#160;<span class="comment"> * @param tbl       qtreetbl_t container pointer.</span></div>
<div class="line"><a name="l00233"></a><span class="lineno">  233</span>&#160;<span class="comment"> * @param cmp       a pointer to the user comparator function.</span></div>
<div class="line"><a name="l00234"></a><span class="lineno">  234</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00235"></a><span class="lineno">  235</span>&#160;<span class="comment"> * @note</span></div>
<div class="line"><a name="l00236"></a><span class="lineno">  236</span>&#160;<span class="comment"> * By default, qtreetbl uses byte comparator that works for</span></div>
<div class="line"><a name="l00237"></a><span class="lineno">  237</span>&#160;<span class="comment"> * both binary type key and string type key. Please refer</span></div>
<div class="line"><a name="l00238"></a><span class="lineno">  238</span>&#160;<span class="comment"> * qtreetbl_byte_cmp() for your idea to make your own comparator,</span></div>
<div class="line"><a name="l00239"></a><span class="lineno">  239</span>&#160;<span class="comment"> */</span></div>
<div class="line"><a name="l00240"></a><span class="lineno"><a class="line" href="qtreetbl_8c.html#af9e239f384bd9939c34361a45dd496a6">  240</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="qtreetbl_8c.html#af9e239f384bd9939c34361a45dd496a6">qtreetbl_set_compare</a>(</div>
<div class="line"><a name="l00241"></a><span class="lineno">  241</span>&#160;        qtreetbl_t *tbl,</div>
<div class="line"><a name="l00242"></a><span class="lineno">  242</span>&#160;        <span class="keywordtype">int</span> (*cmp)(<span class="keyword">const</span> <span class="keywordtype">void</span> *name1, <span class="keywordtype">size_t</span> namesize1, <span class="keyword">const</span> <span class="keywordtype">void</span> *name2,</div>
<div class="line"><a name="l00243"></a><span class="lineno">  243</span>&#160;                   <span class="keywordtype">size_t</span> namesize2)) {</div>
<div class="line"><a name="l00244"></a><span class="lineno">  244</span>&#160;    tbl-&gt;compare = cmp;</div>
<div class="line"><a name="l00245"></a><span class="lineno">  245</span>&#160;}</div>
<div class="line"><a name="l00246"></a><span class="lineno">  246</span>&#160;<span class="comment"></span></div>
<div class="line"><a name="l00247"></a><span class="lineno">  247</span>&#160;<span class="comment">/**</span></div>
<div class="line"><a name="l00248"></a><span class="lineno">  248</span>&#160;<span class="comment"> * qtreetbl-&gt;put(): Put an object into this table with string type key.</span></div>
<div class="line"><a name="l00249"></a><span class="lineno">  249</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00250"></a><span class="lineno">  250</span>&#160;<span class="comment"> * @param tbl       qtreetbl_t container pointer.</span></div>
<div class="line"><a name="l00251"></a><span class="lineno">  251</span>&#160;<span class="comment"> * @param name      key name</span></div>
<div class="line"><a name="l00252"></a><span class="lineno">  252</span>&#160;<span class="comment"> * @param data      data object</span></div>
<div class="line"><a name="l00253"></a><span class="lineno">  253</span>&#160;<span class="comment"> * @param datasize  size of data object</span></div>
<div class="line"><a name="l00254"></a><span class="lineno">  254</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00255"></a><span class="lineno">  255</span>&#160;<span class="comment"> * @return true if successful, otherwise returns false</span></div>
<div class="line"><a name="l00256"></a><span class="lineno">  256</span>&#160;<span class="comment"> * @retval errno will be set in error condition.</span></div>
<div class="line"><a name="l00257"></a><span class="lineno">  257</span>&#160;<span class="comment"> *  - EINVAL : Invalid argument.</span></div>
<div class="line"><a name="l00258"></a><span class="lineno">  258</span>&#160;<span class="comment"> *  - ENOMEM : Memory allocation failure.</span></div>
<div class="line"><a name="l00259"></a><span class="lineno">  259</span>&#160;<span class="comment"> */</span></div>
<div class="line"><a name="l00260"></a><span class="lineno"><a class="line" href="qtreetbl_8c.html#a49e05111c8541c7155e352fb618cf170">  260</a></span>&#160;<span class="keywordtype">bool</span> <a class="code" href="qtreetbl_8c.html#a49e05111c8541c7155e352fb618cf170">qtreetbl_put</a>(qtreetbl_t *tbl, <span class="keyword">const</span> <span class="keywordtype">char</span> *name, <span class="keyword">const</span> <span class="keywordtype">void</span> *data,</div>
<div class="line"><a name="l00261"></a><span class="lineno">  261</span>&#160;                  <span class="keywordtype">size_t</span> datasize) {</div>
<div class="line"><a name="l00262"></a><span class="lineno">  262</span>&#160;    <span class="keywordflow">return</span> <a class="code" href="qtreetbl_8c.html#ad2a7a784bf15be78fb7e72ab25940fe5">qtreetbl_put_by_obj</a>(tbl, name,</div>
<div class="line"><a name="l00263"></a><span class="lineno">  263</span>&#160;                               (name != NULL) ? (strlen(name) + 1) : 0, data,</div>
<div class="line"><a name="l00264"></a><span class="lineno">  264</span>&#160;                               datasize);</div>
<div class="line"><a name="l00265"></a><span class="lineno">  265</span>&#160;}</div>
<div class="line"><a name="l00266"></a><span class="lineno">  266</span>&#160;<span class="comment"></span></div>
<div class="line"><a name="l00267"></a><span class="lineno">  267</span>&#160;<span class="comment">/**</span></div>
<div class="line"><a name="l00268"></a><span class="lineno">  268</span>&#160;<span class="comment"> * qtreetbl-&gt;putstr(): Put a string into this table.</span></div>
<div class="line"><a name="l00269"></a><span class="lineno">  269</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00270"></a><span class="lineno">  270</span>&#160;<span class="comment"> * @param tbl       qtreetbl container pointer.</span></div>
<div class="line"><a name="l00271"></a><span class="lineno">  271</span>&#160;<span class="comment"> * @param name      key name.</span></div>
<div class="line"><a name="l00272"></a><span class="lineno">  272</span>&#160;<span class="comment"> * @param str       string data.</span></div>
<div class="line"><a name="l00273"></a><span class="lineno">  273</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00274"></a><span class="lineno">  274</span>&#160;<span class="comment"> * @return true if successful, otherwise returns false.</span></div>
<div class="line"><a name="l00275"></a><span class="lineno">  275</span>&#160;<span class="comment"> * @retval errno will be set in error condition.</span></div>
<div class="line"><a name="l00276"></a><span class="lineno">  276</span>&#160;<span class="comment"> *  - EINVAL : Invalid argument.</span></div>
<div class="line"><a name="l00277"></a><span class="lineno">  277</span>&#160;<span class="comment"> *  - ENOMEM : Memory allocation failure.</span></div>
<div class="line"><a name="l00278"></a><span class="lineno">  278</span>&#160;<span class="comment"> */</span></div>
<div class="line"><a name="l00279"></a><span class="lineno"><a class="line" href="qtreetbl_8c.html#a31e5908f6885033a58e354928e489b83">  279</a></span>&#160;<span class="keywordtype">bool</span> <a class="code" href="qtreetbl_8c.html#a31e5908f6885033a58e354928e489b83">qtreetbl_putstr</a>(qtreetbl_t *tbl, <span class="keyword">const</span> <span class="keywordtype">char</span> *name, <span class="keyword">const</span> <span class="keywordtype">char</span> *str) {</div>
<div class="line"><a name="l00280"></a><span class="lineno">  280</span>&#160;    <span class="keywordflow">return</span> <a class="code" href="qtreetbl_8c.html#ad2a7a784bf15be78fb7e72ab25940fe5">qtreetbl_put_by_obj</a>(tbl, name,</div>
<div class="line"><a name="l00281"></a><span class="lineno">  281</span>&#160;                               (name != NULL) ? (strlen(name) + 1) : 0, str,</div>
<div class="line"><a name="l00282"></a><span class="lineno">  282</span>&#160;                               (str != NULL) ? (strlen(str) + 1) : 0);</div>
<div class="line"><a name="l00283"></a><span class="lineno">  283</span>&#160;}</div>
<div class="line"><a name="l00284"></a><span class="lineno">  284</span>&#160;<span class="comment"></span></div>
<div class="line"><a name="l00285"></a><span class="lineno">  285</span>&#160;<span class="comment">/**</span></div>
<div class="line"><a name="l00286"></a><span class="lineno">  286</span>&#160;<span class="comment"> * qtreetbl-&gt;putstrf(): Put a formatted string into this table.</span></div>
<div class="line"><a name="l00287"></a><span class="lineno">  287</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00288"></a><span class="lineno">  288</span>&#160;<span class="comment"> * @param tbl       qtreetbl_t container pointer.</span></div>
<div class="line"><a name="l00289"></a><span class="lineno">  289</span>&#160;<span class="comment"> * @param name      key name.</span></div>
<div class="line"><a name="l00290"></a><span class="lineno">  290</span>&#160;<span class="comment"> * @param format    formatted string data.</span></div>
<div class="line"><a name="l00291"></a><span class="lineno">  291</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00292"></a><span class="lineno">  292</span>&#160;<span class="comment"> * @return true if successful, otherwise returns false.</span></div>
<div class="line"><a name="l00293"></a><span class="lineno">  293</span>&#160;<span class="comment"> * @retval errno will be set in error condition.</span></div>
<div class="line"><a name="l00294"></a><span class="lineno">  294</span>&#160;<span class="comment"> *  - EINVAL : Invalid argument.</span></div>
<div class="line"><a name="l00295"></a><span class="lineno">  295</span>&#160;<span class="comment"> *  - ENOMEM : Memory allocation failure.</span></div>
<div class="line"><a name="l00296"></a><span class="lineno">  296</span>&#160;<span class="comment"> */</span></div>
<div class="line"><a name="l00297"></a><span class="lineno"><a class="line" href="qtreetbl_8c.html#ac475383244c35814d0950f0fa0c6414e">  297</a></span>&#160;<span class="keywordtype">bool</span> <a class="code" href="qtreetbl_8c.html#ac475383244c35814d0950f0fa0c6414e">qtreetbl_putstrf</a>(qtreetbl_t *tbl, <span class="keyword">const</span> <span class="keywordtype">char</span> *name, <span class="keyword">const</span> <span class="keywordtype">char</span> *format,</div>
<div class="line"><a name="l00298"></a><span class="lineno">  298</span>&#160;                      ...) {</div>
<div class="line"><a name="l00299"></a><span class="lineno">  299</span>&#160;    <span class="keywordtype">char</span> *str;</div>
<div class="line"><a name="l00300"></a><span class="lineno">  300</span>&#160;    DYNAMIC_VSPRINTF(str, format);</div>
<div class="line"><a name="l00301"></a><span class="lineno">  301</span>&#160;    <span class="keywordflow">if</span> (str == NULL) {</div>
<div class="line"><a name="l00302"></a><span class="lineno">  302</span>&#160;        errno = ENOMEM;</div>
<div class="line"><a name="l00303"></a><span class="lineno">  303</span>&#160;        <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a name="l00304"></a><span class="lineno">  304</span>&#160;    }</div>
<div class="line"><a name="l00305"></a><span class="lineno">  305</span>&#160;</div>
<div class="line"><a name="l00306"></a><span class="lineno">  306</span>&#160;    <span class="keywordtype">bool</span> ret = <a class="code" href="qtreetbl_8c.html#a31e5908f6885033a58e354928e489b83">qtreetbl_putstr</a>(tbl, name, str);</div>
<div class="line"><a name="l00307"></a><span class="lineno">  307</span>&#160;    free(str);</div>
<div class="line"><a name="l00308"></a><span class="lineno">  308</span>&#160;    <span class="keywordflow">return</span> ret;</div>
<div class="line"><a name="l00309"></a><span class="lineno">  309</span>&#160;}</div>
<div class="line"><a name="l00310"></a><span class="lineno">  310</span>&#160;<span class="comment"></span></div>
<div class="line"><a name="l00311"></a><span class="lineno">  311</span>&#160;<span class="comment">/**</span></div>
<div class="line"><a name="l00312"></a><span class="lineno">  312</span>&#160;<span class="comment"> * qtreetbl-&gt;put_by_obj(): Put an object data into this table with an object name.</span></div>
<div class="line"><a name="l00313"></a><span class="lineno">  313</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00314"></a><span class="lineno">  314</span>&#160;<span class="comment"> * @param tbl       qtreetbl_t container pointer.</span></div>
<div class="line"><a name="l00315"></a><span class="lineno">  315</span>&#160;<span class="comment"> * @param name      key name</span></div>
<div class="line"><a name="l00316"></a><span class="lineno">  316</span>&#160;<span class="comment"> * @param namesize  key size</span></div>
<div class="line"><a name="l00317"></a><span class="lineno">  317</span>&#160;<span class="comment"> * @param data      data object</span></div>
<div class="line"><a name="l00318"></a><span class="lineno">  318</span>&#160;<span class="comment"> * @param datasize  size of data object</span></div>
<div class="line"><a name="l00319"></a><span class="lineno">  319</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00320"></a><span class="lineno">  320</span>&#160;<span class="comment"> * @return true if successful, otherwise returns false</span></div>
<div class="line"><a name="l00321"></a><span class="lineno">  321</span>&#160;<span class="comment"> * @retval errno will be set in error condition.</span></div>
<div class="line"><a name="l00322"></a><span class="lineno">  322</span>&#160;<span class="comment"> *  - EINVAL : Invalid argument.</span></div>
<div class="line"><a name="l00323"></a><span class="lineno">  323</span>&#160;<span class="comment"> *  - ENOMEM : Memory allocation failure.</span></div>
<div class="line"><a name="l00324"></a><span class="lineno">  324</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00325"></a><span class="lineno">  325</span>&#160;<span class="comment"> * @note</span></div>
<div class="line"><a name="l00326"></a><span class="lineno">  326</span>&#160;<span class="comment"> *  This is the underlying put function which all other put methods use.</span></div>
<div class="line"><a name="l00327"></a><span class="lineno">  327</span>&#160;<span class="comment"> */</span></div>
<div class="line"><a name="l00328"></a><span class="lineno"><a class="line" href="qtreetbl_8c.html#ad2a7a784bf15be78fb7e72ab25940fe5">  328</a></span>&#160;<span class="keywordtype">bool</span> <a class="code" href="qtreetbl_8c.html#ad2a7a784bf15be78fb7e72ab25940fe5">qtreetbl_put_by_obj</a>(qtreetbl_t *tbl, <span class="keyword">const</span> <span class="keywordtype">void</span> *name, <span class="keywordtype">size_t</span> namesize,</div>
<div class="line"><a name="l00329"></a><span class="lineno">  329</span>&#160;                         <span class="keyword">const</span> <span class="keywordtype">void</span> *data, <span class="keywordtype">size_t</span> datasize) {</div>
<div class="line"><a name="l00330"></a><span class="lineno">  330</span>&#160;    <span class="keywordflow">if</span> (name == NULL || namesize == 0 || data == NULL || datasize == 0) {</div>
<div class="line"><a name="l00331"></a><span class="lineno">  331</span>&#160;        errno = EINVAL;</div>
<div class="line"><a name="l00332"></a><span class="lineno">  332</span>&#160;        <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a name="l00333"></a><span class="lineno">  333</span>&#160;    }</div>
<div class="line"><a name="l00334"></a><span class="lineno">  334</span>&#160;</div>
<div class="line"><a name="l00335"></a><span class="lineno">  335</span>&#160;    <a class="code" href="qtreetbl_8c.html#a5c8aa458bac0dc5e7dc0ab97c6f52dfd">qtreetbl_lock</a>(tbl);</div>
<div class="line"><a name="l00336"></a><span class="lineno">  336</span>&#160;    errno = 0;</div>
<div class="line"><a name="l00337"></a><span class="lineno">  337</span>&#160;    qtreetbl_obj_t *root = put_obj(tbl, tbl-&gt;root, name, namesize, data,</div>
<div class="line"><a name="l00338"></a><span class="lineno">  338</span>&#160;                                   datasize);</div>
<div class="line"><a name="l00339"></a><span class="lineno">  339</span>&#160;    <span class="keywordflow">if</span> (root == NULL || errno == ENOMEM) {</div>
<div class="line"><a name="l00340"></a><span class="lineno">  340</span>&#160;        <a class="code" href="qtreetbl_8c.html#a88a8e67f478390c6b25780fda3134a8d">qtreetbl_unlock</a>(tbl);</div>
<div class="line"><a name="l00341"></a><span class="lineno">  341</span>&#160;        <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a name="l00342"></a><span class="lineno">  342</span>&#160;    }</div>
<div class="line"><a name="l00343"></a><span class="lineno">  343</span>&#160;    root-&gt;red = <span class="keyword">false</span>;</div>
<div class="line"><a name="l00344"></a><span class="lineno">  344</span>&#160;    tbl-&gt;root = root;</div>
<div class="line"><a name="l00345"></a><span class="lineno">  345</span>&#160;    <a class="code" href="qtreetbl_8c.html#a88a8e67f478390c6b25780fda3134a8d">qtreetbl_unlock</a>(tbl);</div>
<div class="line"><a name="l00346"></a><span class="lineno">  346</span>&#160;</div>
<div class="line"><a name="l00347"></a><span class="lineno">  347</span>&#160;    <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
<div class="line"><a name="l00348"></a><span class="lineno">  348</span>&#160;}</div>
<div class="line"><a name="l00349"></a><span class="lineno">  349</span>&#160;<span class="comment"></span></div>
<div class="line"><a name="l00350"></a><span class="lineno">  350</span>&#160;<span class="comment">/**</span></div>
<div class="line"><a name="l00351"></a><span class="lineno">  351</span>&#160;<span class="comment"> * qtreetbl-&gt;get(): Get an object from this table.</span></div>
<div class="line"><a name="l00352"></a><span class="lineno">  352</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00353"></a><span class="lineno">  353</span>&#160;<span class="comment"> * @param tbl       qtreetbl_t container pointer.</span></div>
<div class="line"><a name="l00354"></a><span class="lineno">  354</span>&#160;<span class="comment"> * @param name      key name.</span></div>
<div class="line"><a name="l00355"></a><span class="lineno">  355</span>&#160;<span class="comment"> * @param datasize  if not NULL, oject size will be stored.</span></div>
<div class="line"><a name="l00356"></a><span class="lineno">  356</span>&#160;<span class="comment"> * @param newmem    whether or not to allocate memory for the data.</span></div>
<div class="line"><a name="l00357"></a><span class="lineno">  357</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00358"></a><span class="lineno">  358</span>&#160;<span class="comment"> * @return a pointer of data if the key is found, otherwise returns NULL.</span></div>
<div class="line"><a name="l00359"></a><span class="lineno">  359</span>&#160;<span class="comment"> * @retval errno will be set in error condition.</span></div>
<div class="line"><a name="l00360"></a><span class="lineno">  360</span>&#160;<span class="comment"> *  - ENOENT : No such key found.</span></div>
<div class="line"><a name="l00361"></a><span class="lineno">  361</span>&#160;<span class="comment"> *  - EINVAL : Invalid argument.</span></div>
<div class="line"><a name="l00362"></a><span class="lineno">  362</span>&#160;<span class="comment"> *  - ENOMEM : Memory allocation failure.</span></div>
<div class="line"><a name="l00363"></a><span class="lineno">  363</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00364"></a><span class="lineno">  364</span>&#160;<span class="comment"> * @code</span></div>
<div class="line"><a name="l00365"></a><span class="lineno">  365</span>&#160;<span class="comment"> *  qtreetbl_t *tbl = qtreetbl(0);</span></div>
<div class="line"><a name="l00366"></a><span class="lineno">  366</span>&#160;<span class="comment"> *  (...codes...)</span></div>
<div class="line"><a name="l00367"></a><span class="lineno">  367</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00368"></a><span class="lineno">  368</span>&#160;<span class="comment"> *  // with newmem flag unset</span></div>
<div class="line"><a name="l00369"></a><span class="lineno">  369</span>&#160;<span class="comment"> *  size_t size;</span></div>
<div class="line"><a name="l00370"></a><span class="lineno">  370</span>&#160;<span class="comment"> *  void *data = (struct myobj*)tbl-&gt;get(tbl, &quot;key_name&quot;, &amp;size, false);</span></div>
<div class="line"><a name="l00371"></a><span class="lineno">  371</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00372"></a><span class="lineno">  372</span>&#160;<span class="comment"> *  // with newmem flag set</span></div>
<div class="line"><a name="l00373"></a><span class="lineno">  373</span>&#160;<span class="comment"> *  size_t size;</span></div>
<div class="line"><a name="l00374"></a><span class="lineno">  374</span>&#160;<span class="comment"> *  void *data  = (struct myobj*)tbl-&gt;get(tbl, &quot;key_name&quot;, &amp;size, true);</span></div>
<div class="line"><a name="l00375"></a><span class="lineno">  375</span>&#160;<span class="comment"> *  free(data);</span></div>
<div class="line"><a name="l00376"></a><span class="lineno">  376</span>&#160;<span class="comment"> * @endcode</span></div>
<div class="line"><a name="l00377"></a><span class="lineno">  377</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00378"></a><span class="lineno">  378</span>&#160;<span class="comment"> * @note</span></div>
<div class="line"><a name="l00379"></a><span class="lineno">  379</span>&#160;<span class="comment"> *  If newmem flag is set, returned data will be malloced and should be</span></div>
<div class="line"><a name="l00380"></a><span class="lineno">  380</span>&#160;<span class="comment"> *  deallocated by user. Otherwise returned pointer will point internal buffer</span></div>
<div class="line"><a name="l00381"></a><span class="lineno">  381</span>&#160;<span class="comment"> *  directly and should not be de-allocated by user. In thread-safe mode,</span></div>
<div class="line"><a name="l00382"></a><span class="lineno">  382</span>&#160;<span class="comment"> *  newmem flag must be set to true always.</span></div>
<div class="line"><a name="l00383"></a><span class="lineno">  383</span>&#160;<span class="comment"> */</span></div>
<div class="line"><a name="l00384"></a><span class="lineno"><a class="line" href="qtreetbl_8c.html#ab3232b711f0462533a066ecffb01a297">  384</a></span>&#160;<span class="keywordtype">void</span> *<a class="code" href="qtreetbl_8c.html#ab3232b711f0462533a066ecffb01a297">qtreetbl_get</a>(qtreetbl_t *tbl, <span class="keyword">const</span> <span class="keywordtype">char</span> *name, <span class="keywordtype">size_t</span> *datasize,</div>
<div class="line"><a name="l00385"></a><span class="lineno">  385</span>&#160;<span class="keywordtype">bool</span> newmem) {</div>
<div class="line"><a name="l00386"></a><span class="lineno">  386</span>&#160;    <span class="keywordflow">return</span> <a class="code" href="qtreetbl_8c.html#a6ad04787f2efd3d4324b51fbb826fb38">qtreetbl_get_by_obj</a>(tbl, name,</div>
<div class="line"><a name="l00387"></a><span class="lineno">  387</span>&#160;                               (name != NULL) ? (strlen(name) + 1) : 0,</div>
<div class="line"><a name="l00388"></a><span class="lineno">  388</span>&#160;                               datasize, newmem);</div>
<div class="line"><a name="l00389"></a><span class="lineno">  389</span>&#160;}</div>
<div class="line"><a name="l00390"></a><span class="lineno">  390</span>&#160;<span class="comment"></span></div>
<div class="line"><a name="l00391"></a><span class="lineno">  391</span>&#160;<span class="comment">/**</span></div>
<div class="line"><a name="l00392"></a><span class="lineno">  392</span>&#160;<span class="comment"> * qtreetbl-&gt;getstr(): Finds an object and returns as string type.</span></div>
<div class="line"><a name="l00393"></a><span class="lineno">  393</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00394"></a><span class="lineno">  394</span>&#160;<span class="comment"> * @param tbl       qtreetbl_t container pointer.</span></div>
<div class="line"><a name="l00395"></a><span class="lineno">  395</span>&#160;<span class="comment"> * @param name      key name</span></div>
<div class="line"><a name="l00396"></a><span class="lineno">  396</span>&#160;<span class="comment"> * @param newmem    whether or not to allocate memory for the data.</span></div>
<div class="line"><a name="l00397"></a><span class="lineno">  397</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00398"></a><span class="lineno">  398</span>&#160;<span class="comment"> * @return a pointer of data if the key is found, otherwise returns NULL.</span></div>
<div class="line"><a name="l00399"></a><span class="lineno">  399</span>&#160;<span class="comment"> * @retval errno will be set in error condition.</span></div>
<div class="line"><a name="l00400"></a><span class="lineno">  400</span>&#160;<span class="comment"> *  - ENOENT : No such key found.</span></div>
<div class="line"><a name="l00401"></a><span class="lineno">  401</span>&#160;<span class="comment"> *  - EINVAL : Invalid argument.</span></div>
<div class="line"><a name="l00402"></a><span class="lineno">  402</span>&#160;<span class="comment"> *  - ENOMEM : Memory allocation failure.</span></div>
<div class="line"><a name="l00403"></a><span class="lineno">  403</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00404"></a><span class="lineno">  404</span>&#160;<span class="comment"> * @note</span></div>
<div class="line"><a name="l00405"></a><span class="lineno">  405</span>&#160;<span class="comment"> *  If newmem flag is set, returned data will be malloced and should be</span></div>
<div class="line"><a name="l00406"></a><span class="lineno">  406</span>&#160;<span class="comment"> *  deallocated by user. Otherwise returned pointer will point internal buffer</span></div>
<div class="line"><a name="l00407"></a><span class="lineno">  407</span>&#160;<span class="comment"> *  directly and should not be de-allocated by user. In thread-safe mode,</span></div>
<div class="line"><a name="l00408"></a><span class="lineno">  408</span>&#160;<span class="comment"> *  newmem flag must be set to true always.</span></div>
<div class="line"><a name="l00409"></a><span class="lineno">  409</span>&#160;<span class="comment"> */</span></div>
<div class="line"><a name="l00410"></a><span class="lineno"><a class="line" href="qtreetbl_8c.html#a54b587a2c2d1a377cdc54c0e2e32d400">  410</a></span>&#160;<span class="keywordtype">char</span> *<a class="code" href="qtreetbl_8c.html#a54b587a2c2d1a377cdc54c0e2e32d400">qtreetbl_getstr</a>(qtreetbl_t *tbl, <span class="keyword">const</span> <span class="keywordtype">char</span> *name, <span class="keyword">const</span> <span class="keywordtype">bool</span> newmem) {</div>
<div class="line"><a name="l00411"></a><span class="lineno">  411</span>&#160;    <span class="keywordflow">return</span> <a class="code" href="qtreetbl_8c.html#a6ad04787f2efd3d4324b51fbb826fb38">qtreetbl_get_by_obj</a>(tbl, name,</div>
<div class="line"><a name="l00412"></a><span class="lineno">  412</span>&#160;                               (name != NULL) ? (strlen(name) + 1) : 0, NULL,</div>
<div class="line"><a name="l00413"></a><span class="lineno">  413</span>&#160;                               newmem);</div>
<div class="line"><a name="l00414"></a><span class="lineno">  414</span>&#160;}</div>
<div class="line"><a name="l00415"></a><span class="lineno">  415</span>&#160;<span class="comment"></span></div>
<div class="line"><a name="l00416"></a><span class="lineno">  416</span>&#160;<span class="comment">/**</span></div>
<div class="line"><a name="l00417"></a><span class="lineno">  417</span>&#160;<span class="comment"> * qtreetbl-&gt;get_by_obj(): Get an object from this table with an object name.</span></div>
<div class="line"><a name="l00418"></a><span class="lineno">  418</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00419"></a><span class="lineno">  419</span>&#160;<span class="comment"> * @param tbl       qtreetbl_t container pointer.</span></div>
<div class="line"><a name="l00420"></a><span class="lineno">  420</span>&#160;<span class="comment"> * @param name      key name</span></div>
<div class="line"><a name="l00421"></a><span class="lineno">  421</span>&#160;<span class="comment"> * @param namesize  key size</span></div>
<div class="line"><a name="l00422"></a><span class="lineno">  422</span>&#160;<span class="comment"> * @param datasize  if not NULL, oject size will be stored.</span></div>
<div class="line"><a name="l00423"></a><span class="lineno">  423</span>&#160;<span class="comment"> * @param newmem    whether or not to allocate memory for the data.</span></div>
<div class="line"><a name="l00424"></a><span class="lineno">  424</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00425"></a><span class="lineno">  425</span>&#160;<span class="comment"> * @return a pointer of data if the key is found, otherwise returns NULL.</span></div>
<div class="line"><a name="l00426"></a><span class="lineno">  426</span>&#160;<span class="comment"> * @retval errno will be set in error condition.</span></div>
<div class="line"><a name="l00427"></a><span class="lineno">  427</span>&#160;<span class="comment"> *  - ENOENT : No such key found.</span></div>
<div class="line"><a name="l00428"></a><span class="lineno">  428</span>&#160;<span class="comment"> *  - EINVAL : Invalid argument.</span></div>
<div class="line"><a name="l00429"></a><span class="lineno">  429</span>&#160;<span class="comment"> *  - ENOMEM : Memory allocation failure.</span></div>
<div class="line"><a name="l00430"></a><span class="lineno">  430</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00431"></a><span class="lineno">  431</span>&#160;<span class="comment"> * @note</span></div>
<div class="line"><a name="l00432"></a><span class="lineno">  432</span>&#160;<span class="comment"> *  If newmem flag is set, returned data will be malloced and should be</span></div>
<div class="line"><a name="l00433"></a><span class="lineno">  433</span>&#160;<span class="comment"> *  deallocated by user. Otherwise returned pointer will point internal buffer</span></div>
<div class="line"><a name="l00434"></a><span class="lineno">  434</span>&#160;<span class="comment"> *  directly and should not be de-allocated by user. In thread-safe mode,</span></div>
<div class="line"><a name="l00435"></a><span class="lineno">  435</span>&#160;<span class="comment"> *  newmem flag must be set to true always.</span></div>
<div class="line"><a name="l00436"></a><span class="lineno">  436</span>&#160;<span class="comment"> */</span></div>
<div class="line"><a name="l00437"></a><span class="lineno"><a class="line" href="qtreetbl_8c.html#a6ad04787f2efd3d4324b51fbb826fb38">  437</a></span>&#160;<span class="keywordtype">void</span> *<a class="code" href="qtreetbl_8c.html#a6ad04787f2efd3d4324b51fbb826fb38">qtreetbl_get_by_obj</a>(qtreetbl_t *tbl, <span class="keyword">const</span> <span class="keywordtype">char</span> *name, <span class="keywordtype">size_t</span> namesize,</div>
<div class="line"><a name="l00438"></a><span class="lineno">  438</span>&#160;                          <span class="keywordtype">size_t</span> *datasize, <span class="keywordtype">bool</span> newmem) {</div>
<div class="line"><a name="l00439"></a><span class="lineno">  439</span>&#160;    <span class="keywordflow">if</span> (name == NULL || namesize == 0) {</div>
<div class="line"><a name="l00440"></a><span class="lineno">  440</span>&#160;        errno = EINVAL;</div>
<div class="line"><a name="l00441"></a><span class="lineno">  441</span>&#160;        <span class="keywordflow">return</span> NULL;</div>
<div class="line"><a name="l00442"></a><span class="lineno">  442</span>&#160;    }</div>
<div class="line"><a name="l00443"></a><span class="lineno">  443</span>&#160;</div>
<div class="line"><a name="l00444"></a><span class="lineno">  444</span>&#160;    <a class="code" href="qtreetbl_8c.html#a5c8aa458bac0dc5e7dc0ab97c6f52dfd">qtreetbl_lock</a>(tbl);</div>
<div class="line"><a name="l00445"></a><span class="lineno">  445</span>&#160;    qtreetbl_obj_t *obj = find_obj(tbl, name, namesize);</div>
<div class="line"><a name="l00446"></a><span class="lineno">  446</span>&#160;    <span class="keywordtype">void</span> *data = NULL;</div>
<div class="line"><a name="l00447"></a><span class="lineno">  447</span>&#160;    <span class="keywordflow">if</span> (obj != NULL) {</div>
<div class="line"><a name="l00448"></a><span class="lineno">  448</span>&#160;        data = (newmem) ? <a class="code" href="qstring_8c.html#acc32dbf9f419ef637d0547211b7125b9">qmemdup</a>(obj-&gt;data, obj-&gt;datasize) : obj-&gt;data;</div>
<div class="line"><a name="l00449"></a><span class="lineno">  449</span>&#160;        <span class="keywordflow">if</span> (data != NULL &amp;&amp; datasize != NULL) {</div>
<div class="line"><a name="l00450"></a><span class="lineno">  450</span>&#160;            *datasize = obj-&gt;datasize;</div>
<div class="line"><a name="l00451"></a><span class="lineno">  451</span>&#160;        }</div>
<div class="line"><a name="l00452"></a><span class="lineno">  452</span>&#160;    }</div>
<div class="line"><a name="l00453"></a><span class="lineno">  453</span>&#160;    <a class="code" href="qtreetbl_8c.html#a88a8e67f478390c6b25780fda3134a8d">qtreetbl_unlock</a>(tbl);</div>
<div class="line"><a name="l00454"></a><span class="lineno">  454</span>&#160;    <span class="keywordflow">return</span> data;</div>
<div class="line"><a name="l00455"></a><span class="lineno">  455</span>&#160;}</div>
<div class="line"><a name="l00456"></a><span class="lineno">  456</span>&#160;<span class="comment"></span></div>
<div class="line"><a name="l00457"></a><span class="lineno">  457</span>&#160;<span class="comment">/**</span></div>
<div class="line"><a name="l00458"></a><span class="lineno">  458</span>&#160;<span class="comment"> * qtreetbl-&gt;remove(): Remove an object from this table.</span></div>
<div class="line"><a name="l00459"></a><span class="lineno">  459</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00460"></a><span class="lineno">  460</span>&#160;<span class="comment"> * @param tbl   qtreetbl_t container pointer.</span></div>
<div class="line"><a name="l00461"></a><span class="lineno">  461</span>&#160;<span class="comment"> * @param name  key name</span></div>
<div class="line"><a name="l00462"></a><span class="lineno">  462</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00463"></a><span class="lineno">  463</span>&#160;<span class="comment"> * @return true if successful, otherwise(not found) returns false</span></div>
<div class="line"><a name="l00464"></a><span class="lineno">  464</span>&#160;<span class="comment"> * @retval errno will be set in error condition.</span></div>
<div class="line"><a name="l00465"></a><span class="lineno">  465</span>&#160;<span class="comment"> *  - ENOENT : No such key found.</span></div>
<div class="line"><a name="l00466"></a><span class="lineno">  466</span>&#160;<span class="comment"> *  - EINVAL : Invalid argument.</span></div>
<div class="line"><a name="l00467"></a><span class="lineno">  467</span>&#160;<span class="comment"> */</span></div>
<div class="line"><a name="l00468"></a><span class="lineno"><a class="line" href="qtreetbl_8c.html#a3354408a36cb5d6fd724727dda04d1f3">  468</a></span>&#160;<span class="keywordtype">bool</span> <a class="code" href="qtreetbl_8c.html#a3354408a36cb5d6fd724727dda04d1f3">qtreetbl_remove</a>(qtreetbl_t *tbl, <span class="keyword">const</span> <span class="keywordtype">char</span> *name) {</div>
<div class="line"><a name="l00469"></a><span class="lineno">  469</span>&#160;    <span class="keywordflow">return</span> <a class="code" href="qtreetbl_8c.html#a5b9465db5b03cb85a9b2d364b34d380f">qtreetbl_remove_by_obj</a>(tbl, name,</div>
<div class="line"><a name="l00470"></a><span class="lineno">  470</span>&#160;                                  (name != NULL) ? strlen(name) + 1 : 0);</div>
<div class="line"><a name="l00471"></a><span class="lineno">  471</span>&#160;}</div>
<div class="line"><a name="l00472"></a><span class="lineno">  472</span>&#160;<span class="comment"></span></div>
<div class="line"><a name="l00473"></a><span class="lineno">  473</span>&#160;<span class="comment">/**</span></div>
<div class="line"><a name="l00474"></a><span class="lineno">  474</span>&#160;<span class="comment"> * qtreetbl-&gt;remove(): Remove an object from this table with an object name.</span></div>
<div class="line"><a name="l00475"></a><span class="lineno">  475</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00476"></a><span class="lineno">  476</span>&#160;<span class="comment"> * @param tbl   qtreetbl_t container pointer.</span></div>
<div class="line"><a name="l00477"></a><span class="lineno">  477</span>&#160;<span class="comment"> * @param name  key name</span></div>
<div class="line"><a name="l00478"></a><span class="lineno">  478</span>&#160;<span class="comment"> * @param name  key size</span></div>
<div class="line"><a name="l00479"></a><span class="lineno">  479</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00480"></a><span class="lineno">  480</span>&#160;<span class="comment"> * @return true if successful, otherwise(not found) returns false</span></div>
<div class="line"><a name="l00481"></a><span class="lineno">  481</span>&#160;<span class="comment"> * @retval errno will be set in error condition.</span></div>
<div class="line"><a name="l00482"></a><span class="lineno">  482</span>&#160;<span class="comment"> *  - ENOENT : No such key found.</span></div>
<div class="line"><a name="l00483"></a><span class="lineno">  483</span>&#160;<span class="comment"> *  - EINVAL : Invalid argument.</span></div>
<div class="line"><a name="l00484"></a><span class="lineno">  484</span>&#160;<span class="comment"> */</span></div>
<div class="line"><a name="l00485"></a><span class="lineno"><a class="line" href="qtreetbl_8c.html#a5b9465db5b03cb85a9b2d364b34d380f">  485</a></span>&#160;<span class="keywordtype">bool</span> <a class="code" href="qtreetbl_8c.html#a5b9465db5b03cb85a9b2d364b34d380f">qtreetbl_remove_by_obj</a>(qtreetbl_t *tbl, <span class="keyword">const</span> <span class="keywordtype">void</span> *name, <span class="keywordtype">size_t</span> namesize) {</div>
<div class="line"><a name="l00486"></a><span class="lineno">  486</span>&#160;    <span class="keywordflow">if</span> (name == NULL) {</div>
<div class="line"><a name="l00487"></a><span class="lineno">  487</span>&#160;        errno = EINVAL;</div>
<div class="line"><a name="l00488"></a><span class="lineno">  488</span>&#160;        <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a name="l00489"></a><span class="lineno">  489</span>&#160;    }</div>
<div class="line"><a name="l00490"></a><span class="lineno">  490</span>&#160;</div>
<div class="line"><a name="l00491"></a><span class="lineno">  491</span>&#160;    <a class="code" href="qtreetbl_8c.html#a5c8aa458bac0dc5e7dc0ab97c6f52dfd">qtreetbl_lock</a>(tbl);</div>
<div class="line"><a name="l00492"></a><span class="lineno">  492</span>&#160;    errno = 0;</div>
<div class="line"><a name="l00493"></a><span class="lineno">  493</span>&#160;    tbl-&gt;root = remove_obj(tbl, tbl-&gt;root, name, namesize);</div>
<div class="line"><a name="l00494"></a><span class="lineno">  494</span>&#160;    <span class="keywordflow">if</span> (tbl-&gt;root)</div>
<div class="line"><a name="l00495"></a><span class="lineno">  495</span>&#160;        tbl-&gt;root-&gt;red = <span class="keyword">false</span>;</div>
<div class="line"><a name="l00496"></a><span class="lineno">  496</span>&#160;    <span class="keywordtype">bool</span> removed = (errno != ENOENT) ? <span class="keyword">true</span> : <span class="keyword">false</span>;</div>
<div class="line"><a name="l00497"></a><span class="lineno">  497</span>&#160;    <a class="code" href="qtreetbl_8c.html#a88a8e67f478390c6b25780fda3134a8d">qtreetbl_unlock</a>(tbl);</div>
<div class="line"><a name="l00498"></a><span class="lineno">  498</span>&#160;</div>
<div class="line"><a name="l00499"></a><span class="lineno">  499</span>&#160;    <span class="keywordflow">return</span> removed;</div>
<div class="line"><a name="l00500"></a><span class="lineno">  500</span>&#160;}</div>
<div class="line"><a name="l00501"></a><span class="lineno">  501</span>&#160;<span class="comment"></span></div>
<div class="line"><a name="l00502"></a><span class="lineno">  502</span>&#160;<span class="comment">/**</span></div>
<div class="line"><a name="l00503"></a><span class="lineno">  503</span>&#160;<span class="comment"> * qhashtbl-&gt;getnext(): Get next element.</span></div>
<div class="line"><a name="l00504"></a><span class="lineno">  504</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00505"></a><span class="lineno">  505</span>&#160;<span class="comment"> * @param tbl       qhashtbl_t container pointer.</span></div>
<div class="line"><a name="l00506"></a><span class="lineno">  506</span>&#160;<span class="comment"> * @param obj       found data will be stored in this object</span></div>
<div class="line"><a name="l00507"></a><span class="lineno">  507</span>&#160;<span class="comment"> * @param newmem    whether or not to allocate memory for the data.</span></div>
<div class="line"><a name="l00508"></a><span class="lineno">  508</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00509"></a><span class="lineno">  509</span>&#160;<span class="comment"> * @return true if found otherwise returns false</span></div>
<div class="line"><a name="l00510"></a><span class="lineno">  510</span>&#160;<span class="comment"> * @retval errno will be set in error condition.</span></div>
<div class="line"><a name="l00511"></a><span class="lineno">  511</span>&#160;<span class="comment"> *  - ENOENT : No next element.</span></div>
<div class="line"><a name="l00512"></a><span class="lineno">  512</span>&#160;<span class="comment"> *  - EINVAL : Invalid argument.</span></div>
<div class="line"><a name="l00513"></a><span class="lineno">  513</span>&#160;<span class="comment"> *  - ENOMEM : Memory allocation failure.</span></div>
<div class="line"><a name="l00514"></a><span class="lineno">  514</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00515"></a><span class="lineno">  515</span>&#160;<span class="comment"> * @code</span></div>
<div class="line"><a name="l00516"></a><span class="lineno">  516</span>&#160;<span class="comment"> *  [Iteration example from the beginning]</span></div>
<div class="line"><a name="l00517"></a><span class="lineno">  517</span>&#160;<span class="comment"> *  qtreetbl_obj_t obj;</span></div>
<div class="line"><a name="l00518"></a><span class="lineno">  518</span>&#160;<span class="comment"> *  memset((void*)&amp;obj, 0, sizeof(obj)); // must be cleared before call</span></div>
<div class="line"><a name="l00519"></a><span class="lineno">  519</span>&#160;<span class="comment"> *  tbl-&gt;lock(tbl);  // lock it when thread condition is expected</span></div>
<div class="line"><a name="l00520"></a><span class="lineno">  520</span>&#160;<span class="comment"> *  while(tbl-&gt;getnext(tbl, &amp;obj, false) == true) {</span></div>
<div class="line"><a name="l00521"></a><span class="lineno">  521</span>&#160;<span class="comment"> *     //</span></div>
<div class="line"><a name="l00522"></a><span class="lineno">  522</span>&#160;<span class="comment"> *     // obj.name     : key data</span></div>
<div class="line"><a name="l00523"></a><span class="lineno">  523</span>&#160;<span class="comment"> *     // obj.namesize : key size</span></div>
<div class="line"><a name="l00524"></a><span class="lineno">  524</span>&#160;<span class="comment"> *     // obj.data     : data</span></div>
<div class="line"><a name="l00525"></a><span class="lineno">  525</span>&#160;<span class="comment"> *     // obj.datasize : data size</span></div>
<div class="line"><a name="l00526"></a><span class="lineno">  526</span>&#160;<span class="comment"> *     //</span></div>
<div class="line"><a name="l00527"></a><span class="lineno">  527</span>&#160;<span class="comment"> *     // Do free obj.name and obj.data if newmem is set to true;</span></div>
<div class="line"><a name="l00528"></a><span class="lineno">  528</span>&#160;<span class="comment"> *  }</span></div>
<div class="line"><a name="l00529"></a><span class="lineno">  529</span>&#160;<span class="comment"> *  tbl-&gt;unlock(tbl);</span></div>
<div class="line"><a name="l00530"></a><span class="lineno">  530</span>&#160;<span class="comment"> * @endcode</span></div>
<div class="line"><a name="l00531"></a><span class="lineno">  531</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00532"></a><span class="lineno">  532</span>&#160;<span class="comment"> * @code</span></div>
<div class="line"><a name="l00533"></a><span class="lineno">  533</span>&#160;<span class="comment"> *  [Iteration example from given point]</span></div>
<div class="line"><a name="l00534"></a><span class="lineno">  534</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00535"></a><span class="lineno">  535</span>&#160;<span class="comment"> *  qtreetbl_obj_t obj;</span></div>
<div class="line"><a name="l00536"></a><span class="lineno">  536</span>&#160;<span class="comment"> *  memset((void*)&amp;obj, 0, sizeof(obj));</span></div>
<div class="line"><a name="l00537"></a><span class="lineno">  537</span>&#160;<span class="comment"> *  tbl-&gt;lock(tbl);  // lock must be raised before find_nearest() call.</span></div>
<div class="line"><a name="l00538"></a><span class="lineno">  538</span>&#160;<span class="comment"> *  qtreetbl_obj_t obj = tbl-&gt;find_nearest(tbl, &quot;F&quot;, 2, false); // here we go!</span></div>
<div class="line"><a name="l00539"></a><span class="lineno">  539</span>&#160;<span class="comment"> *  while (tbl-&gt;getnext(tbl, &amp;obj, false) == true) {  // newmem is false</span></div>
<div class="line"><a name="l00540"></a><span class="lineno">  540</span>&#160;<span class="comment"> *      //If tree has 5 objects, A, C, E, G and I.</span></div>
<div class="line"><a name="l00541"></a><span class="lineno">  541</span>&#160;<span class="comment"> *      //Iteration sequence from nearest &quot;F&quot; will be: E-&gt;G-&gt;I-&gt;A-&gt;C</span></div>
<div class="line"><a name="l00542"></a><span class="lineno">  542</span>&#160;<span class="comment"> *  }</span></div>
<div class="line"><a name="l00543"></a><span class="lineno">  543</span>&#160;<span class="comment"> *  tbl-&gt;unlock(tbl);</span></div>
<div class="line"><a name="l00544"></a><span class="lineno">  544</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00545"></a><span class="lineno">  545</span>&#160;<span class="comment"> * @endcode</span></div>
<div class="line"><a name="l00546"></a><span class="lineno">  546</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00547"></a><span class="lineno">  547</span>&#160;<span class="comment"> * @code</span></div>
<div class="line"><a name="l00548"></a><span class="lineno">  548</span>&#160;<span class="comment"> * [Removal example in iteration loop]</span></div>
<div class="line"><a name="l00549"></a><span class="lineno">  549</span>&#160;<span class="comment"> *   qtreetbl_obj_t obj;</span></div>
<div class="line"><a name="l00550"></a><span class="lineno">  550</span>&#160;<span class="comment"> *   memset((void*) &amp;obj, 0, sizeof(obj));  // start from the minimum.</span></div>
<div class="line"><a name="l00551"></a><span class="lineno">  551</span>&#160;<span class="comment"> *   tbl-&gt;lock(tbl);</span></div>
<div class="line"><a name="l00552"></a><span class="lineno">  552</span>&#160;<span class="comment"> *   while (tbl-&gt;getnext(tbl, &amp;obj, false) == true) {</span></div>
<div class="line"><a name="l00553"></a><span class="lineno">  553</span>&#160;<span class="comment"> *       if (...condition...) {</span></div>
<div class="line"><a name="l00554"></a><span class="lineno">  554</span>&#160;<span class="comment"> *           char *name = qmemdup(obj.name, obj.namesize);  // keep the name</span></div>
<div class="line"><a name="l00555"></a><span class="lineno">  555</span>&#160;<span class="comment"> *           size_t namesize = obj.namesize;                // for removal argument</span></div>
<div class="line"><a name="l00556"></a><span class="lineno">  556</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00557"></a><span class="lineno">  557</span>&#160;<span class="comment"> *           tbl-&gt;remove_by_obj(tbl, obj.name, obj.namesize);  // remove</span></div>
<div class="line"><a name="l00558"></a><span class="lineno">  558</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00559"></a><span class="lineno">  559</span>&#160;<span class="comment"> *           obj = tbl-&gt;find_nearest(tbl, name, namesize, false); // rewind one step back</span></div>
<div class="line"><a name="l00560"></a><span class="lineno">  560</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00561"></a><span class="lineno">  561</span>&#160;<span class="comment"> *           free(name);  // clean up</span></div>
<div class="line"><a name="l00562"></a><span class="lineno">  562</span>&#160;<span class="comment"> *       }</span></div>
<div class="line"><a name="l00563"></a><span class="lineno">  563</span>&#160;<span class="comment"> *   }</span></div>
<div class="line"><a name="l00564"></a><span class="lineno">  564</span>&#160;<span class="comment"> *   tbl-&gt;unlock(tbl);</span></div>
<div class="line"><a name="l00565"></a><span class="lineno">  565</span>&#160;<span class="comment"> *  @endcode</span></div>
<div class="line"><a name="l00566"></a><span class="lineno">  566</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00567"></a><span class="lineno">  567</span>&#160;<span class="comment"> * @note</span></div>
<div class="line"><a name="l00568"></a><span class="lineno">  568</span>&#160;<span class="comment"> *  - locking must be provided on user code when thread condition is expected</span></div>
<div class="line"><a name="l00569"></a><span class="lineno">  569</span>&#160;<span class="comment"> *  because entire traversal needs to be running under read-only mode.</span></div>
<div class="line"><a name="l00570"></a><span class="lineno">  570</span>&#160;<span class="comment"> *  - Data insertion or deletion can be made during the traversal, but in that</span></div>
<div class="line"><a name="l00571"></a><span class="lineno">  571</span>&#160;<span class="comment"> *  case iterator doesn&#39;t guarantee full sweep and possibly skip some visits.</span></div>
<div class="line"><a name="l00572"></a><span class="lineno">  572</span>&#160;<span class="comment"> *  When deletion happens in getnext() loop, use find_nearest() to rewind the</span></div>
<div class="line"><a name="l00573"></a><span class="lineno">  573</span>&#160;<span class="comment"> *  iterator one step back.</span></div>
<div class="line"><a name="l00574"></a><span class="lineno">  574</span>&#160;<span class="comment"> *  - Object obj should be initialized with 0 by using memset() before first call.</span></div>
<div class="line"><a name="l00575"></a><span class="lineno">  575</span>&#160;<span class="comment"> *  - If newmem flag is true, user should de-allocate obj.name and obj.data</span></div>
<div class="line"><a name="l00576"></a><span class="lineno">  576</span>&#160;<span class="comment"> *  resources.</span></div>
<div class="line"><a name="l00577"></a><span class="lineno">  577</span>&#160;<span class="comment"> */</span></div>
<div class="line"><a name="l00578"></a><span class="lineno"><a class="line" href="qtreetbl_8c.html#aeb32bf5a193a0b7276cff302d3fcd090">  578</a></span>&#160;<span class="keywordtype">bool</span> <a class="code" href="qtreetbl_8c.html#aeb32bf5a193a0b7276cff302d3fcd090">qtreetbl_getnext</a>(qtreetbl_t *tbl, qtreetbl_obj_t *obj, <span class="keyword">const</span> <span class="keywordtype">bool</span> newmem) {</div>
<div class="line"><a name="l00579"></a><span class="lineno">  579</span>&#160;    <span class="keywordflow">if</span> (obj == NULL) {</div>
<div class="line"><a name="l00580"></a><span class="lineno">  580</span>&#160;        errno = EINVAL;</div>
<div class="line"><a name="l00581"></a><span class="lineno">  581</span>&#160;        <span class="keywordflow">return</span> NULL;</div>
<div class="line"><a name="l00582"></a><span class="lineno">  582</span>&#160;    }</div>
<div class="line"><a name="l00583"></a><span class="lineno">  583</span>&#160;</div>
<div class="line"><a name="l00584"></a><span class="lineno">  584</span>&#160;    uint8_t tid = obj-&gt;tid;</div>
<div class="line"><a name="l00585"></a><span class="lineno">  585</span>&#160;    <span class="keywordflow">if</span> (obj-&gt;next == NULL) {  <span class="comment">// first time call</span></div>
<div class="line"><a name="l00586"></a><span class="lineno">  586</span>&#160;        <span class="keywordflow">if</span> (tbl-&gt;root == NULL) {</div>
<div class="line"><a name="l00587"></a><span class="lineno">  587</span>&#160;            <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a name="l00588"></a><span class="lineno">  588</span>&#160;        }</div>
<div class="line"><a name="l00589"></a><span class="lineno">  589</span>&#160;        <span class="comment">// get a new iterator id</span></div>
<div class="line"><a name="l00590"></a><span class="lineno">  590</span>&#160;        tid = reset_iterator(tbl);;</div>
<div class="line"><a name="l00591"></a><span class="lineno">  591</span>&#160;    }</div>
<div class="line"><a name="l00592"></a><span class="lineno">  592</span>&#160;</div>
<div class="line"><a name="l00593"></a><span class="lineno">  593</span>&#160;    qtreetbl_obj_t *cursor = ((obj-&gt;next != NULL) ? obj-&gt;next : tbl-&gt;root);</div>
<div class="line"><a name="l00594"></a><span class="lineno">  594</span>&#160;    <span class="keywordflow">while</span> (cursor != NULL) {</div>
<div class="line"><a name="l00595"></a><span class="lineno">  595</span>&#160;        <span class="keywordflow">if</span> (cursor-&gt;left &amp;&amp; cursor-&gt;left-&gt;tid != tid) {</div>
<div class="line"><a name="l00596"></a><span class="lineno">  596</span>&#160;            cursor-&gt;left-&gt;next = cursor;</div>
<div class="line"><a name="l00597"></a><span class="lineno">  597</span>&#160;            cursor = cursor-&gt;left;</div>
<div class="line"><a name="l00598"></a><span class="lineno">  598</span>&#160;            <span class="keywordflow">continue</span>;</div>
<div class="line"><a name="l00599"></a><span class="lineno">  599</span>&#160;        } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (cursor-&gt;tid != tid) {</div>
<div class="line"><a name="l00600"></a><span class="lineno">  600</span>&#160;            cursor-&gt;tid = tid;</div>
<div class="line"><a name="l00601"></a><span class="lineno">  601</span>&#160;            *obj = *cursor;</div>
<div class="line"><a name="l00602"></a><span class="lineno">  602</span>&#160;            <span class="keywordflow">if</span> (newmem) {</div>
<div class="line"><a name="l00603"></a><span class="lineno">  603</span>&#160;                obj-&gt;name = <a class="code" href="qstring_8c.html#acc32dbf9f419ef637d0547211b7125b9">qmemdup</a>(cursor-&gt;name, cursor-&gt;namesize);</div>
<div class="line"><a name="l00604"></a><span class="lineno">  604</span>&#160;                obj-&gt;data = <a class="code" href="qstring_8c.html#acc32dbf9f419ef637d0547211b7125b9">qmemdup</a>(cursor-&gt;data, cursor-&gt;datasize);</div>
<div class="line"><a name="l00605"></a><span class="lineno">  605</span>&#160;            }</div>
<div class="line"><a name="l00606"></a><span class="lineno">  606</span>&#160;            obj-&gt;next = cursor;  <span class="comment">// store original address in tree for next iteration</span></div>
<div class="line"><a name="l00607"></a><span class="lineno">  607</span>&#160;            <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
<div class="line"><a name="l00608"></a><span class="lineno">  608</span>&#160;        } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (cursor-&gt;right &amp;&amp; cursor-&gt;right-&gt;tid != tid) {</div>
<div class="line"><a name="l00609"></a><span class="lineno">  609</span>&#160;            cursor-&gt;right-&gt;next = cursor;</div>
<div class="line"><a name="l00610"></a><span class="lineno">  610</span>&#160;            cursor = cursor-&gt;right;</div>
<div class="line"><a name="l00611"></a><span class="lineno">  611</span>&#160;            <span class="keywordflow">continue</span>;</div>
<div class="line"><a name="l00612"></a><span class="lineno">  612</span>&#160;        }</div>
<div class="line"><a name="l00613"></a><span class="lineno">  613</span>&#160;        cursor = cursor-&gt;next;</div>
<div class="line"><a name="l00614"></a><span class="lineno">  614</span>&#160;    }</div>
<div class="line"><a name="l00615"></a><span class="lineno">  615</span>&#160;</div>
<div class="line"><a name="l00616"></a><span class="lineno">  616</span>&#160;    <span class="comment">// end of travel</span></div>
<div class="line"><a name="l00617"></a><span class="lineno">  617</span>&#160;    reset_iterator(tbl);  <span class="comment">// to allow iteration start over directly from find_nearest()</span></div>
<div class="line"><a name="l00618"></a><span class="lineno">  618</span>&#160;    <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a name="l00619"></a><span class="lineno">  619</span>&#160;}</div>
<div class="line"><a name="l00620"></a><span class="lineno">  620</span>&#160;<span class="comment"></span></div>
<div class="line"><a name="l00621"></a><span class="lineno">  621</span>&#160;<span class="comment">/**</span></div>
<div class="line"><a name="l00622"></a><span class="lineno">  622</span>&#160;<span class="comment"> * qtreetbl-&gt;find_min(): Find the name of very left object.</span></div>
<div class="line"><a name="l00623"></a><span class="lineno">  623</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00624"></a><span class="lineno">  624</span>&#160;<span class="comment"> * @param tbl       qtreetbl_t container pointer.</span></div>
<div class="line"><a name="l00625"></a><span class="lineno">  625</span>&#160;<span class="comment"> * @param namesize  if not NULL, the size of key name will be stored.</span></div>
<div class="line"><a name="l00626"></a><span class="lineno">  626</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00627"></a><span class="lineno">  627</span>&#160;<span class="comment"> * @return malloced memory copying the key name.</span></div>
<div class="line"><a name="l00628"></a><span class="lineno">  628</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00629"></a><span class="lineno">  629</span>&#160;<span class="comment"> * @note</span></div>
<div class="line"><a name="l00630"></a><span class="lineno">  630</span>&#160;<span class="comment"> *  It&#39;s user&#39;s responsibility to free the return.</span></div>
<div class="line"><a name="l00631"></a><span class="lineno">  631</span>&#160;<span class="comment"> */</span></div>
<div class="line"><a name="l00632"></a><span class="lineno"><a class="line" href="qtreetbl_8c.html#a1f037a026ec877becd4f010226e00ea4">  632</a></span>&#160;<span class="keywordtype">void</span> *<a class="code" href="qtreetbl_8c.html#a1f037a026ec877becd4f010226e00ea4">qtreetbl_find_min</a>(qtreetbl_t *tbl, <span class="keywordtype">size_t</span> *namesize) {</div>
<div class="line"><a name="l00633"></a><span class="lineno">  633</span>&#160;    <a class="code" href="qtreetbl_8c.html#a5c8aa458bac0dc5e7dc0ab97c6f52dfd">qtreetbl_lock</a>(tbl);</div>
<div class="line"><a name="l00634"></a><span class="lineno">  634</span>&#160;    qtreetbl_obj_t *obj = find_min(tbl-&gt;root);</div>
<div class="line"><a name="l00635"></a><span class="lineno">  635</span>&#160;    <span class="keywordflow">if</span> (obj == NULL) {</div>
<div class="line"><a name="l00636"></a><span class="lineno">  636</span>&#160;        errno = ENOENT;</div>
<div class="line"><a name="l00637"></a><span class="lineno">  637</span>&#160;        <a class="code" href="qtreetbl_8c.html#a88a8e67f478390c6b25780fda3134a8d">qtreetbl_unlock</a>(tbl);</div>
<div class="line"><a name="l00638"></a><span class="lineno">  638</span>&#160;        <span class="keywordflow">return</span> NULL;</div>
<div class="line"><a name="l00639"></a><span class="lineno">  639</span>&#160;    }</div>
<div class="line"><a name="l00640"></a><span class="lineno">  640</span>&#160;</div>
<div class="line"><a name="l00641"></a><span class="lineno">  641</span>&#160;    <span class="keywordflow">if</span> (namesize != NULL) {</div>
<div class="line"><a name="l00642"></a><span class="lineno">  642</span>&#160;        *namesize = obj-&gt;namesize;</div>
<div class="line"><a name="l00643"></a><span class="lineno">  643</span>&#160;    }</div>
<div class="line"><a name="l00644"></a><span class="lineno">  644</span>&#160;    <span class="keywordtype">void</span> *name = <a class="code" href="qstring_8c.html#acc32dbf9f419ef637d0547211b7125b9">qmemdup</a>(obj-&gt;name, obj-&gt;namesize);</div>
<div class="line"><a name="l00645"></a><span class="lineno">  645</span>&#160;    <a class="code" href="qtreetbl_8c.html#a88a8e67f478390c6b25780fda3134a8d">qtreetbl_unlock</a>(tbl);</div>
<div class="line"><a name="l00646"></a><span class="lineno">  646</span>&#160;    <span class="keywordflow">return</span> name;</div>
<div class="line"><a name="l00647"></a><span class="lineno">  647</span>&#160;}</div>
<div class="line"><a name="l00648"></a><span class="lineno">  648</span>&#160;<span class="comment"></span></div>
<div class="line"><a name="l00649"></a><span class="lineno">  649</span>&#160;<span class="comment">/**</span></div>
<div class="line"><a name="l00650"></a><span class="lineno">  650</span>&#160;<span class="comment"> * qtreetbl-&gt;find_max(): Find the name of very right object.</span></div>
<div class="line"><a name="l00651"></a><span class="lineno">  651</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00652"></a><span class="lineno">  652</span>&#160;<span class="comment"> * @param tbl       qtreetbl_t container pointer.</span></div>
<div class="line"><a name="l00653"></a><span class="lineno">  653</span>&#160;<span class="comment"> * @param namesize  if not NULL, the size of key name will be stored.</span></div>
<div class="line"><a name="l00654"></a><span class="lineno">  654</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00655"></a><span class="lineno">  655</span>&#160;<span class="comment"> * @return malloced memory copying the key name.</span></div>
<div class="line"><a name="l00656"></a><span class="lineno">  656</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00657"></a><span class="lineno">  657</span>&#160;<span class="comment"> * @note</span></div>
<div class="line"><a name="l00658"></a><span class="lineno">  658</span>&#160;<span class="comment"> *  It&#39;s user&#39;s responsibility to free the return.</span></div>
<div class="line"><a name="l00659"></a><span class="lineno">  659</span>&#160;<span class="comment"> */</span></div>
<div class="line"><a name="l00660"></a><span class="lineno"><a class="line" href="qtreetbl_8c.html#a1f70611ea89775d0ec580cc13eaa0069">  660</a></span>&#160;<span class="keywordtype">void</span> *<a class="code" href="qtreetbl_8c.html#a1f70611ea89775d0ec580cc13eaa0069">qtreetbl_find_max</a>(qtreetbl_t *tbl, <span class="keywordtype">size_t</span> *namesize) {</div>
<div class="line"><a name="l00661"></a><span class="lineno">  661</span>&#160;    <a class="code" href="qtreetbl_8c.html#a5c8aa458bac0dc5e7dc0ab97c6f52dfd">qtreetbl_lock</a>(tbl);</div>
<div class="line"><a name="l00662"></a><span class="lineno">  662</span>&#160;    qtreetbl_obj_t *obj = find_max(tbl-&gt;root);</div>
<div class="line"><a name="l00663"></a><span class="lineno">  663</span>&#160;    <span class="keywordflow">if</span> (obj == NULL) {</div>
<div class="line"><a name="l00664"></a><span class="lineno">  664</span>&#160;        errno = ENOENT;</div>
<div class="line"><a name="l00665"></a><span class="lineno">  665</span>&#160;        <a class="code" href="qtreetbl_8c.html#a88a8e67f478390c6b25780fda3134a8d">qtreetbl_unlock</a>(tbl);</div>
<div class="line"><a name="l00666"></a><span class="lineno">  666</span>&#160;        <span class="keywordflow">return</span> NULL;</div>
<div class="line"><a name="l00667"></a><span class="lineno">  667</span>&#160;    }</div>
<div class="line"><a name="l00668"></a><span class="lineno">  668</span>&#160;</div>
<div class="line"><a name="l00669"></a><span class="lineno">  669</span>&#160;    <span class="keywordflow">if</span> (namesize != NULL) {</div>
<div class="line"><a name="l00670"></a><span class="lineno">  670</span>&#160;        *namesize = obj-&gt;namesize;</div>
<div class="line"><a name="l00671"></a><span class="lineno">  671</span>&#160;    }</div>
<div class="line"><a name="l00672"></a><span class="lineno">  672</span>&#160;    <span class="keywordtype">void</span> *name = <a class="code" href="qstring_8c.html#acc32dbf9f419ef637d0547211b7125b9">qmemdup</a>(obj-&gt;name, obj-&gt;namesize);</div>
<div class="line"><a name="l00673"></a><span class="lineno">  673</span>&#160;    <a class="code" href="qtreetbl_8c.html#a88a8e67f478390c6b25780fda3134a8d">qtreetbl_unlock</a>(tbl);</div>
<div class="line"><a name="l00674"></a><span class="lineno">  674</span>&#160;    <span class="keywordflow">return</span> name;</div>
<div class="line"><a name="l00675"></a><span class="lineno">  675</span>&#160;}</div>
<div class="line"><a name="l00676"></a><span class="lineno">  676</span>&#160;<span class="comment"></span></div>
<div class="line"><a name="l00677"></a><span class="lineno">  677</span>&#160;<span class="comment">/**</span></div>
<div class="line"><a name="l00678"></a><span class="lineno">  678</span>&#160;<span class="comment"> * qtreetbl-&gt;find_nearest(): Find equal or nearest object.</span></div>
<div class="line"><a name="l00679"></a><span class="lineno">  679</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00680"></a><span class="lineno">  680</span>&#160;<span class="comment"> * find_nearest() returns matching key or nearest key. If there&#39;s</span></div>
<div class="line"><a name="l00681"></a><span class="lineno">  681</span>&#160;<span class="comment"> * no keys in the table. It&#39;ll return empty qtreetbl_obj_t object</span></div>
<div class="line"><a name="l00682"></a><span class="lineno">  682</span>&#160;<span class="comment"> * with errno ENOENT.</span></div>
<div class="line"><a name="l00683"></a><span class="lineno">  683</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00684"></a><span class="lineno">  684</span>&#160;<span class="comment"> * @param tbl       qtreetbl_t container pointer.</span></div>
<div class="line"><a name="l00685"></a><span class="lineno">  685</span>&#160;<span class="comment"> * @param name      key name</span></div>
<div class="line"><a name="l00686"></a><span class="lineno">  686</span>&#160;<span class="comment"> * @param namesize  key size</span></div>
<div class="line"><a name="l00687"></a><span class="lineno">  687</span>&#160;<span class="comment"> * @param newmem    whether or not to allocate memory for the data.</span></div>
<div class="line"><a name="l00688"></a><span class="lineno">  688</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00689"></a><span class="lineno">  689</span>&#160;<span class="comment"> * @return qtreetbl_obj_t object.</span></div>
<div class="line"><a name="l00690"></a><span class="lineno">  690</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00691"></a><span class="lineno">  691</span>&#160;<span class="comment"> * @retval errno will be set in error condition.</span></div>
<div class="line"><a name="l00692"></a><span class="lineno">  692</span>&#160;<span class="comment"> *  - ENOENT : No next element.</span></div>
<div class="line"><a name="l00693"></a><span class="lineno">  693</span>&#160;<span class="comment"> *  - EINVAL : Invalid argument.</span></div>
<div class="line"><a name="l00694"></a><span class="lineno">  694</span>&#160;<span class="comment"> *  - ENOMEM : Memory allocation failure.</span></div>
<div class="line"><a name="l00695"></a><span class="lineno">  695</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00696"></a><span class="lineno">  696</span>&#160;<span class="comment"> * @code</span></div>
<div class="line"><a name="l00697"></a><span class="lineno">  697</span>&#160;<span class="comment"> *  [Some examples here]</span></div>
<div class="line"><a name="l00698"></a><span class="lineno">  698</span>&#160;<span class="comment"> *  Data Set : A B C D E I N R S X</span></div>
<div class="line"><a name="l00699"></a><span class="lineno">  699</span>&#160;<span class="comment"> *  find_nearest(&quot;0&quot;) =&gt; &quot;A&quot; // no smaller key available, so &quot;A&quot;</span></div>
<div class="line"><a name="l00700"></a><span class="lineno">  700</span>&#160;<span class="comment"> *  find_nearest(&quot;C&quot;) =&gt; &quot;C&quot; // matching key found</span></div>
<div class="line"><a name="l00701"></a><span class="lineno">  701</span>&#160;<span class="comment"> *  find_nearest(&quot;F&quot;) =&gt; &quot;E&quot; // &quot;E&quot; is nearest smaller key from &quot;F&quot;</span></div>
<div class="line"><a name="l00702"></a><span class="lineno">  702</span>&#160;<span class="comment"> *  find_nearest(&quot;M&quot;) =&gt; &quot;N&quot; // &quot;N&quot; is nearest smaller key from &quot;M&quot;</span></div>
<div class="line"><a name="l00703"></a><span class="lineno">  703</span>&#160;<span class="comment"> *  find_nearest(&quot;Z&quot;) =&gt; &quot;X&quot; // &quot;X&quot; is nearest smaller key from &quot;Z&quot;</span></div>
<div class="line"><a name="l00704"></a><span class="lineno">  704</span>&#160;<span class="comment"> * @endcode</span></div>
<div class="line"><a name="l00705"></a><span class="lineno">  705</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00706"></a><span class="lineno">  706</span>&#160;<span class="comment"> * @note</span></div>
<div class="line"><a name="l00707"></a><span class="lineno">  707</span>&#160;<span class="comment"> *  When there&#39;s no matching key it look for closest smaller key</span></div>
<div class="line"><a name="l00708"></a><span class="lineno">  708</span>&#160;<span class="comment"> *  in the neighbors. The only exception when it returns bigger key</span></div>
<div class="line"><a name="l00709"></a><span class="lineno">  709</span>&#160;<span class="comment"> *  than given search key is that when there&#39;s no smaller keys available</span></div>
<div class="line"><a name="l00710"></a><span class="lineno">  710</span>&#160;<span class="comment"> *  in the table. In such case, it&#39;ll return the nearest bigger key.</span></div>
<div class="line"><a name="l00711"></a><span class="lineno">  711</span>&#160;<span class="comment"> */</span></div>
<div class="line"><a name="l00712"></a><span class="lineno"><a class="line" href="qtreetbl_8c.html#aa2c4f3ac4623feb251fadabbdf734bdd">  712</a></span>&#160;qtreetbl_obj_t <a class="code" href="qtreetbl_8c.html#aa2c4f3ac4623feb251fadabbdf734bdd">qtreetbl_find_nearest</a>(qtreetbl_t *tbl, <span class="keyword">const</span> <span class="keywordtype">void</span> *name,</div>
<div class="line"><a name="l00713"></a><span class="lineno">  713</span>&#160;                                     <span class="keywordtype">size_t</span> namesize, <span class="keywordtype">bool</span> newmem) {</div>
<div class="line"><a name="l00714"></a><span class="lineno">  714</span>&#160;    qtreetbl_obj_t retobj;</div>
<div class="line"><a name="l00715"></a><span class="lineno">  715</span>&#160;    memset((<span class="keywordtype">void</span>*) &amp;retobj, 0, <span class="keyword">sizeof</span>(retobj));</div>
<div class="line"><a name="l00716"></a><span class="lineno">  716</span>&#160;</div>
<div class="line"><a name="l00717"></a><span class="lineno">  717</span>&#160;    <span class="keywordflow">if</span> (name == NULL || namesize == 0) {</div>
<div class="line"><a name="l00718"></a><span class="lineno">  718</span>&#160;        errno = EINVAL;</div>
<div class="line"><a name="l00719"></a><span class="lineno">  719</span>&#160;        <span class="keywordflow">return</span> retobj;</div>
<div class="line"><a name="l00720"></a><span class="lineno">  720</span>&#160;    }</div>
<div class="line"><a name="l00721"></a><span class="lineno">  721</span>&#160;</div>
<div class="line"><a name="l00722"></a><span class="lineno">  722</span>&#160;    <a class="code" href="qtreetbl_8c.html#a5c8aa458bac0dc5e7dc0ab97c6f52dfd">qtreetbl_lock</a>(tbl);</div>
<div class="line"><a name="l00723"></a><span class="lineno">  723</span>&#160;    qtreetbl_obj_t *obj, *lastobj;</div>
<div class="line"><a name="l00724"></a><span class="lineno">  724</span>&#160;    <span class="keywordflow">for</span> (obj = lastobj = tbl-&gt;root; obj != NULL;) {</div>
<div class="line"><a name="l00725"></a><span class="lineno">  725</span>&#160;        <span class="keywordtype">int</span> cmp = tbl-&gt;compare(name, namesize, obj-&gt;name, obj-&gt;namesize);</div>
<div class="line"><a name="l00726"></a><span class="lineno">  726</span>&#160;        <span class="keywordflow">if</span> (cmp == 0) {</div>
<div class="line"><a name="l00727"></a><span class="lineno">  727</span>&#160;            <span class="keywordflow">break</span>;</div>
<div class="line"><a name="l00728"></a><span class="lineno">  728</span>&#160;        }</div>
<div class="line"><a name="l00729"></a><span class="lineno">  729</span>&#160;        lastobj = obj;</div>
<div class="line"><a name="l00730"></a><span class="lineno">  730</span>&#160;        <span class="keywordflow">if</span> (cmp &lt; 0) {</div>
<div class="line"><a name="l00731"></a><span class="lineno">  731</span>&#160;            <span class="keywordflow">if</span> (obj-&gt;left)</div>
<div class="line"><a name="l00732"></a><span class="lineno">  732</span>&#160;                obj-&gt;left-&gt;next = obj;</div>
<div class="line"><a name="l00733"></a><span class="lineno">  733</span>&#160;            obj = obj-&gt;left;</div>
<div class="line"><a name="l00734"></a><span class="lineno">  734</span>&#160;        } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00735"></a><span class="lineno">  735</span>&#160;            <span class="keywordflow">if</span> (obj-&gt;right)</div>
<div class="line"><a name="l00736"></a><span class="lineno">  736</span>&#160;                obj-&gt;right-&gt;next = obj;</div>
<div class="line"><a name="l00737"></a><span class="lineno">  737</span>&#160;            obj = obj-&gt;right;</div>
<div class="line"><a name="l00738"></a><span class="lineno">  738</span>&#160;        }</div>
<div class="line"><a name="l00739"></a><span class="lineno">  739</span>&#160;    }</div>
<div class="line"><a name="l00740"></a><span class="lineno">  740</span>&#160;</div>
<div class="line"><a name="l00741"></a><span class="lineno">  741</span>&#160;    <span class="keywordflow">if</span> (obj == NULL) {</div>
<div class="line"><a name="l00742"></a><span class="lineno">  742</span>&#160;        <span class="keywordflow">for</span> (obj = lastobj;</div>
<div class="line"><a name="l00743"></a><span class="lineno">  743</span>&#160;                obj != NULL</div>
<div class="line"><a name="l00744"></a><span class="lineno">  744</span>&#160;                        &amp;&amp; (tbl-&gt;compare(name, namesize, obj-&gt;name,</div>
<div class="line"><a name="l00745"></a><span class="lineno">  745</span>&#160;                                         obj-&gt;namesize) &lt; 0); obj = obj-&gt;next)</div>
<div class="line"><a name="l00746"></a><span class="lineno">  746</span>&#160;            ;</div>
<div class="line"><a name="l00747"></a><span class="lineno">  747</span>&#160;        <span class="keywordflow">if</span> (obj == NULL) {</div>
<div class="line"><a name="l00748"></a><span class="lineno">  748</span>&#160;            obj = lastobj;</div>
<div class="line"><a name="l00749"></a><span class="lineno">  749</span>&#160;        }</div>
<div class="line"><a name="l00750"></a><span class="lineno">  750</span>&#160;    }</div>
<div class="line"><a name="l00751"></a><span class="lineno">  751</span>&#160;</div>
<div class="line"><a name="l00752"></a><span class="lineno">  752</span>&#160;    <span class="keywordflow">if</span> (obj) {</div>
<div class="line"><a name="l00753"></a><span class="lineno">  753</span>&#160;        retobj = *obj;</div>
<div class="line"><a name="l00754"></a><span class="lineno">  754</span>&#160;        <span class="keywordflow">if</span> (newmem) {</div>
<div class="line"><a name="l00755"></a><span class="lineno">  755</span>&#160;            retobj.name = <a class="code" href="qstring_8c.html#acc32dbf9f419ef637d0547211b7125b9">qmemdup</a>(obj-&gt;name, obj-&gt;namesize);</div>
<div class="line"><a name="l00756"></a><span class="lineno">  756</span>&#160;            retobj.data = <a class="code" href="qstring_8c.html#acc32dbf9f419ef637d0547211b7125b9">qmemdup</a>(obj-&gt;data, obj-&gt;datasize);</div>
<div class="line"><a name="l00757"></a><span class="lineno">  757</span>&#160;        }</div>
<div class="line"><a name="l00758"></a><span class="lineno">  758</span>&#160;        <span class="comment">// set travel info to be used for iteration in getnext()</span></div>
<div class="line"><a name="l00759"></a><span class="lineno">  759</span>&#160;        retobj.tid = tbl-&gt;tid;</div>
<div class="line"><a name="l00760"></a><span class="lineno">  760</span>&#160;        retobj.next = obj;</div>
<div class="line"><a name="l00761"></a><span class="lineno">  761</span>&#160;</div>
<div class="line"><a name="l00762"></a><span class="lineno">  762</span>&#160;    } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l00763"></a><span class="lineno">  763</span>&#160;        errno = ENOENT;</div>
<div class="line"><a name="l00764"></a><span class="lineno">  764</span>&#160;    }</div>
<div class="line"><a name="l00765"></a><span class="lineno">  765</span>&#160;</div>
<div class="line"><a name="l00766"></a><span class="lineno">  766</span>&#160;    <a class="code" href="qtreetbl_8c.html#a88a8e67f478390c6b25780fda3134a8d">qtreetbl_unlock</a>(tbl);</div>
<div class="line"><a name="l00767"></a><span class="lineno">  767</span>&#160;    <span class="keywordflow">return</span> retobj;</div>
<div class="line"><a name="l00768"></a><span class="lineno">  768</span>&#160;}</div>
<div class="line"><a name="l00769"></a><span class="lineno">  769</span>&#160;<span class="comment"></span></div>
<div class="line"><a name="l00770"></a><span class="lineno">  770</span>&#160;<span class="comment">/**</span></div>
<div class="line"><a name="l00771"></a><span class="lineno">  771</span>&#160;<span class="comment"> * qtreetbl-&gt;size(): Returns the number of keys in the table.</span></div>
<div class="line"><a name="l00772"></a><span class="lineno">  772</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00773"></a><span class="lineno">  773</span>&#160;<span class="comment"> * @param tbl   qtreetbl_t container pointer.</span></div>
<div class="line"><a name="l00774"></a><span class="lineno">  774</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00775"></a><span class="lineno">  775</span>&#160;<span class="comment"> * @return number of elements stored</span></div>
<div class="line"><a name="l00776"></a><span class="lineno">  776</span>&#160;<span class="comment"> */</span></div>
<div class="line"><a name="l00777"></a><span class="lineno"><a class="line" href="qtreetbl_8c.html#a3537212a86616d50459eec229d94f8e4">  777</a></span>&#160;<span class="keywordtype">size_t</span> <a class="code" href="qtreetbl_8c.html#a3537212a86616d50459eec229d94f8e4">qtreetbl_size</a>(qtreetbl_t *tbl) {</div>
<div class="line"><a name="l00778"></a><span class="lineno">  778</span>&#160;    <span class="keywordflow">return</span> tbl-&gt;num;</div>
<div class="line"><a name="l00779"></a><span class="lineno">  779</span>&#160;}</div>
<div class="line"><a name="l00780"></a><span class="lineno">  780</span>&#160;<span class="comment"></span></div>
<div class="line"><a name="l00781"></a><span class="lineno">  781</span>&#160;<span class="comment">/**</span></div>
<div class="line"><a name="l00782"></a><span class="lineno">  782</span>&#160;<span class="comment"> * qtreetbl-&gt;clear(): Clears the table so that it contains no keys.</span></div>
<div class="line"><a name="l00783"></a><span class="lineno">  783</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00784"></a><span class="lineno">  784</span>&#160;<span class="comment"> * @param tbl   qtreetbl_t container pointer.</span></div>
<div class="line"><a name="l00785"></a><span class="lineno">  785</span>&#160;<span class="comment"> */</span></div>
<div class="line"><a name="l00786"></a><span class="lineno"><a class="line" href="qtreetbl_8c.html#a7b324cf9e317a2623c5767b8a0183f72">  786</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="qtreetbl_8c.html#a7b324cf9e317a2623c5767b8a0183f72">qtreetbl_clear</a>(qtreetbl_t *tbl) {</div>
<div class="line"><a name="l00787"></a><span class="lineno">  787</span>&#160;    <a class="code" href="qtreetbl_8c.html#a5c8aa458bac0dc5e7dc0ab97c6f52dfd">qtreetbl_lock</a>(tbl);</div>
<div class="line"><a name="l00788"></a><span class="lineno">  788</span>&#160;    free_objs(tbl-&gt;root);</div>
<div class="line"><a name="l00789"></a><span class="lineno">  789</span>&#160;    tbl-&gt;root = NULL;</div>
<div class="line"><a name="l00790"></a><span class="lineno">  790</span>&#160;    tbl-&gt;num = 0;</div>
<div class="line"><a name="l00791"></a><span class="lineno">  791</span>&#160;    <a class="code" href="qtreetbl_8c.html#a88a8e67f478390c6b25780fda3134a8d">qtreetbl_unlock</a>(tbl);</div>
<div class="line"><a name="l00792"></a><span class="lineno">  792</span>&#160;}</div>
<div class="line"><a name="l00793"></a><span class="lineno">  793</span>&#160;<span class="comment"></span></div>
<div class="line"><a name="l00794"></a><span class="lineno">  794</span>&#160;<span class="comment">/**</span></div>
<div class="line"><a name="l00795"></a><span class="lineno">  795</span>&#160;<span class="comment"> * qtreetbl-&gt;lock(): Enter critical section.</span></div>
<div class="line"><a name="l00796"></a><span class="lineno">  796</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00797"></a><span class="lineno">  797</span>&#160;<span class="comment"> * @param tbl   qtreetbl_t container pointer.</span></div>
<div class="line"><a name="l00798"></a><span class="lineno">  798</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00799"></a><span class="lineno">  799</span>&#160;<span class="comment"> * @note</span></div>
<div class="line"><a name="l00800"></a><span class="lineno">  800</span>&#160;<span class="comment"> *  From user side, normally locking operation is only needed when traverse</span></div>
<div class="line"><a name="l00801"></a><span class="lineno">  801</span>&#160;<span class="comment"> *  all elements using qtreetbl-&gt;getnext().</span></div>
<div class="line"><a name="l00802"></a><span class="lineno">  802</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00803"></a><span class="lineno">  803</span>&#160;<span class="comment"> * @note</span></div>
<div class="line"><a name="l00804"></a><span class="lineno">  804</span>&#160;<span class="comment"> *  This operation will do nothing if QTREETBL_THREADSAFE option was not</span></div>
<div class="line"><a name="l00805"></a><span class="lineno">  805</span>&#160;<span class="comment"> *  given at the initialization time.</span></div>
<div class="line"><a name="l00806"></a><span class="lineno">  806</span>&#160;<span class="comment"> */</span></div>
<div class="line"><a name="l00807"></a><span class="lineno"><a class="line" href="qtreetbl_8c.html#a5c8aa458bac0dc5e7dc0ab97c6f52dfd">  807</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="qtreetbl_8c.html#a5c8aa458bac0dc5e7dc0ab97c6f52dfd">qtreetbl_lock</a>(qtreetbl_t *tbl) {</div>
<div class="line"><a name="l00808"></a><span class="lineno">  808</span>&#160;    Q_MUTEX_ENTER(tbl-&gt;qmutex);</div>
<div class="line"><a name="l00809"></a><span class="lineno">  809</span>&#160;}</div>
<div class="line"><a name="l00810"></a><span class="lineno">  810</span>&#160;<span class="comment"></span></div>
<div class="line"><a name="l00811"></a><span class="lineno">  811</span>&#160;<span class="comment">/**</span></div>
<div class="line"><a name="l00812"></a><span class="lineno">  812</span>&#160;<span class="comment"> * qtreetbl-&gt;unlock(): Leave critical section.</span></div>
<div class="line"><a name="l00813"></a><span class="lineno">  813</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00814"></a><span class="lineno">  814</span>&#160;<span class="comment"> * @param tbl   qtreetbl_t container pointer.</span></div>
<div class="line"><a name="l00815"></a><span class="lineno">  815</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00816"></a><span class="lineno">  816</span>&#160;<span class="comment"> * @note</span></div>
<div class="line"><a name="l00817"></a><span class="lineno">  817</span>&#160;<span class="comment"> *  This operation will do nothing if QTREETBL_THREADSAFE option was not</span></div>
<div class="line"><a name="l00818"></a><span class="lineno">  818</span>&#160;<span class="comment"> *  given at the initialization time.</span></div>
<div class="line"><a name="l00819"></a><span class="lineno">  819</span>&#160;<span class="comment"> */</span></div>
<div class="line"><a name="l00820"></a><span class="lineno"><a class="line" href="qtreetbl_8c.html#a88a8e67f478390c6b25780fda3134a8d">  820</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="qtreetbl_8c.html#a88a8e67f478390c6b25780fda3134a8d">qtreetbl_unlock</a>(qtreetbl_t *tbl) {</div>
<div class="line"><a name="l00821"></a><span class="lineno">  821</span>&#160;    Q_MUTEX_LEAVE(tbl-&gt;qmutex);</div>
<div class="line"><a name="l00822"></a><span class="lineno">  822</span>&#160;}</div>
<div class="line"><a name="l00823"></a><span class="lineno">  823</span>&#160;<span class="comment"></span></div>
<div class="line"><a name="l00824"></a><span class="lineno">  824</span>&#160;<span class="comment">/**</span></div>
<div class="line"><a name="l00825"></a><span class="lineno">  825</span>&#160;<span class="comment"> * qtreetbl-&gt;free(): De-allocate the table</span></div>
<div class="line"><a name="l00826"></a><span class="lineno">  826</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00827"></a><span class="lineno">  827</span>&#160;<span class="comment"> * @param tbl   qtreetbl_t container pointer.</span></div>
<div class="line"><a name="l00828"></a><span class="lineno">  828</span>&#160;<span class="comment"> */</span></div>
<div class="line"><a name="l00829"></a><span class="lineno"><a class="line" href="qtreetbl_8c.html#a2bac240b706b85273338a26fb986eee7">  829</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="qtreetbl_8c.html#a2bac240b706b85273338a26fb986eee7">qtreetbl_free</a>(qtreetbl_t *tbl) {</div>
<div class="line"><a name="l00830"></a><span class="lineno">  830</span>&#160;    <a class="code" href="qtreetbl_8c.html#a7b324cf9e317a2623c5767b8a0183f72">qtreetbl_clear</a>(tbl);</div>
<div class="line"><a name="l00831"></a><span class="lineno">  831</span>&#160;    Q_MUTEX_DESTROY(tbl-&gt;qmutex);</div>
<div class="line"><a name="l00832"></a><span class="lineno">  832</span>&#160;    free(tbl);</div>
<div class="line"><a name="l00833"></a><span class="lineno">  833</span>&#160;}</div>
<div class="line"><a name="l00834"></a><span class="lineno">  834</span>&#160;</div>
<div class="line"><a name="l00835"></a><span class="lineno">  835</span>&#160;<span class="keywordtype">int</span> qtreetbl_byte_cmp(<span class="keyword">const</span> <span class="keywordtype">void</span> *name1, <span class="keywordtype">size_t</span> namesize1, <span class="keyword">const</span> <span class="keywordtype">void</span> *name2,</div>
<div class="line"><a name="l00836"></a><span class="lineno">  836</span>&#160;                      <span class="keywordtype">size_t</span> namesize2) {</div>
<div class="line"><a name="l00837"></a><span class="lineno">  837</span>&#160;    <span class="keywordtype">size_t</span> minsize = (namesize1 &lt; namesize2) ? namesize1 : namesize2;</div>
<div class="line"><a name="l00838"></a><span class="lineno">  838</span>&#160;    <span class="keywordtype">int</span> cmp = memcmp(name1, name2, minsize);</div>
<div class="line"><a name="l00839"></a><span class="lineno">  839</span>&#160;    <span class="keywordflow">if</span> (cmp != 0 || namesize1 == namesize2)</div>
<div class="line"><a name="l00840"></a><span class="lineno">  840</span>&#160;        <span class="keywordflow">return</span> cmp;</div>
<div class="line"><a name="l00841"></a><span class="lineno">  841</span>&#160;    <span class="keywordflow">return</span> (namesize1 &lt; namesize2) ? -1 : +1;</div>
<div class="line"><a name="l00842"></a><span class="lineno">  842</span>&#160;}</div>
<div class="line"><a name="l00843"></a><span class="lineno">  843</span>&#160;<span class="comment"></span></div>
<div class="line"><a name="l00844"></a><span class="lineno">  844</span>&#160;<span class="comment">/**</span></div>
<div class="line"><a name="l00845"></a><span class="lineno">  845</span>&#160;<span class="comment"> * qtreetbl-&gt;debug(): Print hash table for debugging purpose</span></div>
<div class="line"><a name="l00846"></a><span class="lineno">  846</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00847"></a><span class="lineno">  847</span>&#160;<span class="comment"> * @param tbl   qtreetbl_t container pointer.</span></div>
<div class="line"><a name="l00848"></a><span class="lineno">  848</span>&#160;<span class="comment"> * @param out   output stream</span></div>
<div class="line"><a name="l00849"></a><span class="lineno">  849</span>&#160;<span class="comment"> *</span></div>
<div class="line"><a name="l00850"></a><span class="lineno">  850</span>&#160;<span class="comment"> * @return true if successful, otherwise returns false.</span></div>
<div class="line"><a name="l00851"></a><span class="lineno">  851</span>&#160;<span class="comment"> * @retval errno will be set in error condition.</span></div>
<div class="line"><a name="l00852"></a><span class="lineno">  852</span>&#160;<span class="comment"> *  - EIO : Invalid output stream.</span></div>
<div class="line"><a name="l00853"></a><span class="lineno">  853</span>&#160;<span class="comment"> */</span></div>
<div class="line"><a name="l00854"></a><span class="lineno"><a class="line" href="qtreetbl_8c.html#a663dfe23addb8debd1c3da5e54d2c930">  854</a></span>&#160;<span class="keywordtype">bool</span> <a class="code" href="qtreetbl_8c.html#a663dfe23addb8debd1c3da5e54d2c930">qtreetbl_debug</a>(qtreetbl_t *tbl, FILE *out) {</div>
<div class="line"><a name="l00855"></a><span class="lineno">  855</span>&#160;    <span class="keywordflow">if</span> (out == NULL) {</div>
<div class="line"><a name="l00856"></a><span class="lineno">  856</span>&#160;        errno = EIO;</div>
<div class="line"><a name="l00857"></a><span class="lineno">  857</span>&#160;        <span class="keywordflow">return</span> <span class="keyword">false</span>;</div>
<div class="line"><a name="l00858"></a><span class="lineno">  858</span>&#160;    }</div>
<div class="line"><a name="l00859"></a><span class="lineno">  859</span>&#160;</div>
<div class="line"><a name="l00860"></a><span class="lineno">  860</span>&#160;    <a class="code" href="qtreetbl_8c.html#a5c8aa458bac0dc5e7dc0ab97c6f52dfd">qtreetbl_lock</a>(tbl);</div>
<div class="line"><a name="l00861"></a><span class="lineno">  861</span>&#160;</div>
<div class="line"><a name="l00862"></a><span class="lineno">  862</span>&#160;    <a class="code" href="qtreetbl_8c.html#a88a8e67f478390c6b25780fda3134a8d">qtreetbl_unlock</a>(tbl);</div>
<div class="line"><a name="l00863"></a><span class="lineno">  863</span>&#160;</div>
<div class="line"><a name="l00864"></a><span class="lineno">  864</span>&#160;    <span class="keywordflow">return</span> <span class="keyword">true</span>;</div>
<div class="line"><a name="l00865"></a><span class="lineno">  865</span>&#160;}</div>
<div class="line"><a name="l00866"></a><span class="lineno">  866</span>&#160;</div>
<div class="line"><a name="l00867"></a><span class="lineno">  867</span>&#160;<span class="preprocessor">#ifndef _DOXYGEN_SKIP</span></div>
<div class="line"><a name="l00868"></a><span class="lineno">  868</span>&#160;<span class="preprocessor"></span></div>
<div class="line"><a name="l00869"></a><span class="lineno">  869</span>&#160;<span class="keyword">static</span> <span class="keywordtype">bool</span> is_red(qtreetbl_obj_t *obj) {</div>
<div class="line"><a name="l00870"></a><span class="lineno">  870</span>&#160;    <span class="keywordflow">return</span> (obj != NULL) ? obj-&gt;red : <span class="keyword">false</span>;</div>
<div class="line"><a name="l00871"></a><span class="lineno">  871</span>&#160;}</div>
<div class="line"><a name="l00872"></a><span class="lineno">  872</span>&#160;</div>
<div class="line"><a name="l00873"></a><span class="lineno">  873</span>&#160;<span class="keyword">static</span> qtreetbl_obj_t *flip_color(qtreetbl_obj_t *obj) {</div>
<div class="line"><a name="l00874"></a><span class="lineno">  874</span>&#160;    obj-&gt;red = !(obj-&gt;red);</div>
<div class="line"><a name="l00875"></a><span class="lineno">  875</span>&#160;    obj-&gt;left-&gt;red = !(obj-&gt;left-&gt;red);</div>
<div class="line"><a name="l00876"></a><span class="lineno">  876</span>&#160;    obj-&gt;right-&gt;red = !(obj-&gt;right-&gt;red);</div>
<div class="line"><a name="l00877"></a><span class="lineno">  877</span>&#160;    <span class="keywordflow">return</span> obj;</div>
<div class="line"><a name="l00878"></a><span class="lineno">  878</span>&#160;}</div>
<div class="line"><a name="l00879"></a><span class="lineno">  879</span>&#160;</div>
<div class="line"><a name="l00880"></a><span class="lineno">  880</span>&#160;<span class="keyword">static</span> qtreetbl_obj_t *rotate_left(qtreetbl_obj_t *obj) {</div>
<div class="line"><a name="l00881"></a><span class="lineno">  881</span>&#160;    qtreetbl_obj_t *x = obj-&gt;right;</div>
<div class="line"><a name="l00882"></a><span class="lineno">  882</span>&#160;    obj-&gt;right = x-&gt;left;</div>
<div class="line"><a name="l00883"></a><span class="lineno">  883</span>&#160;    x-&gt;left = obj;</div>
<div class="line"><a name="l00884"></a><span class="lineno">  884</span>&#160;    x-&gt;red = x-&gt;left-&gt;red;</div>
<div class="line"><a name="l00885"></a><span class="lineno">  885</span>&#160;    x-&gt;left-&gt;red = <span class="keyword">true</span>;</div>
<div class="line"><a name="l00886"></a><span class="lineno">  886</span>&#160;    <span class="keywordflow">return</span> x;</div>
<div class="line"><a name="l00887"></a><span class="lineno">  887</span>&#160;}</div>
<div class="line"><a name="l00888"></a><span class="lineno">  888</span>&#160;</div>
<div class="line"><a name="l00889"></a><span class="lineno">  889</span>&#160;<span class="keyword">static</span> qtreetbl_obj_t *rotate_right(qtreetbl_obj_t *obj) {</div>
<div class="line"><a name="l00890"></a><span class="lineno">  890</span>&#160;    qtreetbl_obj_t *x = obj-&gt;left;</div>
<div class="line"><a name="l00891"></a><span class="lineno">  891</span>&#160;    obj-&gt;left = x-&gt;right;</div>
<div class="line"><a name="l00892"></a><span class="lineno">  892</span>&#160;    x-&gt;right = obj;</div>
<div class="line"><a name="l00893"></a><span class="lineno">  893</span>&#160;    x-&gt;red = x-&gt;right-&gt;red;</div>
<div class="line"><a name="l00894"></a><span class="lineno">  894</span>&#160;    x-&gt;right-&gt;red = <span class="keyword">true</span>;</div>
<div class="line"><a name="l00895"></a><span class="lineno">  895</span>&#160;    <span class="keywordflow">return</span> x;</div>
<div class="line"><a name="l00896"></a><span class="lineno">  896</span>&#160;}</div>
<div class="line"><a name="l00897"></a><span class="lineno">  897</span>&#160;</div>
<div class="line"><a name="l00898"></a><span class="lineno">  898</span>&#160;<span class="keyword">static</span> qtreetbl_obj_t *move_red_left(qtreetbl_obj_t *obj) {</div>
<div class="line"><a name="l00899"></a><span class="lineno">  899</span>&#160;    flip_color(obj);</div>
<div class="line"><a name="l00900"></a><span class="lineno">  900</span>&#160;    <span class="keywordflow">if</span> (obj-&gt;right &amp;&amp; is_red(obj-&gt;right-&gt;left)) {</div>
<div class="line"><a name="l00901"></a><span class="lineno">  901</span>&#160;        obj-&gt;right = rotate_right(obj-&gt;right);</div>
<div class="line"><a name="l00902"></a><span class="lineno">  902</span>&#160;        obj = rotate_left(obj);</div>
<div class="line"><a name="l00903"></a><span class="lineno">  903</span>&#160;        flip_color(obj);</div>
<div class="line"><a name="l00904"></a><span class="lineno">  904</span>&#160;    }</div>
<div class="line"><a name="l00905"></a><span class="lineno">  905</span>&#160;    <span class="keywordflow">return</span> obj;</div>
<div class="line"><a name="l00906"></a><span class="lineno">  906</span>&#160;}</div>
<div class="line"><a name="l00907"></a><span class="lineno">  907</span>&#160;</div>
<div class="line"><a name="l00908"></a><span class="lineno">  908</span>&#160;<span class="keyword">static</span> qtreetbl_obj_t *move_red_right(qtreetbl_obj_t *obj) {</div>
<div class="line"><a name="l00909"></a><span class="lineno">  909</span>&#160;    flip_color(obj);</div>
<div class="line"><a name="l00910"></a><span class="lineno">  910</span>&#160;    <span class="keywordflow">if</span> (obj-&gt;left &amp;&amp; is_red(obj-&gt;left-&gt;left)) {</div>
<div class="line"><a name="l00911"></a><span class="lineno">  911</span>&#160;        obj = rotate_right(obj);</div>
<div class="line"><a name="l00912"></a><span class="lineno">  912</span>&#160;        flip_color(obj);</div>
<div class="line"><a name="l00913"></a><span class="lineno">  913</span>&#160;    }</div>
<div class="line"><a name="l00914"></a><span class="lineno">  914</span>&#160;    <span class="keywordflow">return</span> obj;</div>
<div class="line"><a name="l00915"></a><span class="lineno">  915</span>&#160;}</div>
<div class="line"><a name="l00916"></a><span class="lineno">  916</span>&#160;</div>
<div class="line"><a name="l00917"></a><span class="lineno">  917</span>&#160;<span class="keyword">static</span> qtreetbl_obj_t *fix(qtreetbl_obj_t *obj) {</div>
<div class="line"><a name="l00918"></a><span class="lineno">  918</span>&#160;    <span class="comment">// rotate right red to left</span></div>
<div class="line"><a name="l00919"></a><span class="lineno">  919</span>&#160;    <span class="keywordflow">if</span> (is_red(obj-&gt;right)) {</div>
<div class="line"><a name="l00920"></a><span class="lineno">  920</span>&#160;        obj = rotate_left(obj);</div>
<div class="line"><a name="l00921"></a><span class="lineno">  921</span>&#160;    }</div>
<div class="line"><a name="l00922"></a><span class="lineno">  922</span>&#160;    <span class="comment">// rotate left red-red to right</span></div>
<div class="line"><a name="l00923"></a><span class="lineno">  923</span>&#160;    <span class="keywordflow">if</span> (obj-&gt;left &amp;&amp; is_red(obj-&gt;left) &amp;&amp; is_red(obj-&gt;left-&gt;left)) {</div>
<div class="line"><a name="l00924"></a><span class="lineno">  924</span>&#160;        obj = rotate_right(obj);</div>
<div class="line"><a name="l00925"></a><span class="lineno">  925</span>&#160;    }</div>
<div class="line"><a name="l00926"></a><span class="lineno">  926</span>&#160;    <span class="comment">// split 4-nodes</span></div>
<div class="line"><a name="l00927"></a><span class="lineno">  927</span>&#160;    <span class="keywordflow">if</span> (is_red(obj-&gt;left) &amp;&amp; is_red(obj-&gt;right)) {</div>
<div class="line"><a name="l00928"></a><span class="lineno">  928</span>&#160;        flip_color(obj);</div>
<div class="line"><a name="l00929"></a><span class="lineno">  929</span>&#160;    }</div>
<div class="line"><a name="l00930"></a><span class="lineno">  930</span>&#160;    <span class="keywordflow">return</span> obj;</div>
<div class="line"><a name="l00931"></a><span class="lineno">  931</span>&#160;}</div>
<div class="line"><a name="l00932"></a><span class="lineno">  932</span>&#160;</div>
<div class="line"><a name="l00933"></a><span class="lineno">  933</span>&#160;<span class="keyword">static</span> qtreetbl_obj_t *find_min(qtreetbl_obj_t *obj) {</div>
<div class="line"><a name="l00934"></a><span class="lineno">  934</span>&#160;    <span class="keywordflow">if</span> (obj == NULL) {</div>
<div class="line"><a name="l00935"></a><span class="lineno">  935</span>&#160;        errno = ENOENT;</div>
<div class="line"><a name="l00936"></a><span class="lineno">  936</span>&#160;        <span class="keywordflow">return</span> NULL;</div>
<div class="line"><a name="l00937"></a><span class="lineno">  937</span>&#160;    }</div>
<div class="line"><a name="l00938"></a><span class="lineno">  938</span>&#160;</div>
<div class="line"><a name="l00939"></a><span class="lineno">  939</span>&#160;    qtreetbl_obj_t *o;</div>
<div class="line"><a name="l00940"></a><span class="lineno">  940</span>&#160;    <span class="keywordflow">for</span> (o = obj; o-&gt;left != NULL; o = o-&gt;left)</div>
<div class="line"><a name="l00941"></a><span class="lineno">  941</span>&#160;        ;</div>
<div class="line"><a name="l00942"></a><span class="lineno">  942</span>&#160;    <span class="keywordflow">return</span> o;</div>
<div class="line"><a name="l00943"></a><span class="lineno">  943</span>&#160;}</div>
<div class="line"><a name="l00944"></a><span class="lineno">  944</span>&#160;</div>
<div class="line"><a name="l00945"></a><span class="lineno">  945</span>&#160;<span class="keyword">static</span> qtreetbl_obj_t *find_max(qtreetbl_obj_t *obj) {</div>
<div class="line"><a name="l00946"></a><span class="lineno">  946</span>&#160;    <span class="keywordflow">if</span> (obj == NULL) {</div>
<div class="line"><a name="l00947"></a><span class="lineno">  947</span>&#160;        errno = ENOENT;</div>
<div class="line"><a name="l00948"></a><span class="lineno">  948</span>&#160;        <span class="keywordflow">return</span> NULL;</div>
<div class="line"><a name="l00949"></a><span class="lineno">  949</span>&#160;    }</div>
<div class="line"><a name="l00950"></a><span class="lineno">  950</span>&#160;</div>
<div class="line"><a name="l00951"></a><span class="lineno">  951</span>&#160;    qtreetbl_obj_t *o;</div>
<div class="line"><a name="l00952"></a><span class="lineno">  952</span>&#160;    <span class="keywordflow">for</span> (o = obj; o-&gt;right != NULL; o = o-&gt;right)</div>
<div class="line"><a name="l00953"></a><span class="lineno">  953</span>&#160;        ;</div>
<div class="line"><a name="l00954"></a><span class="lineno">  954</span>&#160;    <span class="keywordflow">return</span> o;</div>
<div class="line"><a name="l00955"></a><span class="lineno">  955</span>&#160;}</div>
<div class="line"><a name="l00956"></a><span class="lineno">  956</span>&#160;</div>
<div class="line"><a name="l00957"></a><span class="lineno">  957</span>&#160;<span class="keyword">static</span> qtreetbl_obj_t *find_obj(qtreetbl_t *tbl, <span class="keyword">const</span> <span class="keywordtype">void</span> *name,</div>
<div class="line"><a name="l00958"></a><span class="lineno">  958</span>&#160;                                <span class="keywordtype">size_t</span> namesize) {</div>
<div class="line"><a name="l00959"></a><span class="lineno">  959</span>&#160;    <span class="keywordflow">if</span> (name == NULL || namesize == 0) {</div>
<div class="line"><a name="l00960"></a><span class="lineno">  960</span>&#160;        errno = EINVAL;</div>
<div class="line"><a name="l00961"></a><span class="lineno">  961</span>&#160;        <span class="keywordflow">return</span> NULL;</div>
<div class="line"><a name="l00962"></a><span class="lineno">  962</span>&#160;    }</div>
<div class="line"><a name="l00963"></a><span class="lineno">  963</span>&#160;</div>
<div class="line"><a name="l00964"></a><span class="lineno">  964</span>&#160;    <a class="code" href="qtreetbl_8c.html#a5c8aa458bac0dc5e7dc0ab97c6f52dfd">qtreetbl_lock</a>(tbl);</div>
<div class="line"><a name="l00965"></a><span class="lineno">  965</span>&#160;    qtreetbl_obj_t *obj;</div>
<div class="line"><a name="l00966"></a><span class="lineno">  966</span>&#160;    <span class="keywordflow">for</span> (obj = tbl-&gt;root; obj != NULL;) {</div>
<div class="line"><a name="l00967"></a><span class="lineno">  967</span>&#160;        <span class="keywordtype">int</span> cmp = tbl-&gt;compare(name, namesize, obj-&gt;name, obj-&gt;namesize);</div>
<div class="line"><a name="l00968"></a><span class="lineno">  968</span>&#160;        <span class="keywordflow">if</span> (cmp == 0) {</div>
<div class="line"><a name="l00969"></a><span class="lineno">  969</span>&#160;            <a class="code" href="qtreetbl_8c.html#a88a8e67f478390c6b25780fda3134a8d">qtreetbl_unlock</a>(tbl);</div>
<div class="line"><a name="l00970"></a><span class="lineno">  970</span>&#160;            <span class="keywordflow">return</span> obj;</div>
<div class="line"><a name="l00971"></a><span class="lineno">  971</span>&#160;        }</div>
<div class="line"><a name="l00972"></a><span class="lineno">  972</span>&#160;        obj = (cmp &lt; 0) ? obj-&gt;left : obj-&gt;right;</div>
<div class="line"><a name="l00973"></a><span class="lineno">  973</span>&#160;    }</div>
<div class="line"><a name="l00974"></a><span class="lineno">  974</span>&#160;    <a class="code" href="qtreetbl_8c.html#a88a8e67f478390c6b25780fda3134a8d">qtreetbl_unlock</a>(tbl);</div>
<div class="line"><a name="l00975"></a><span class="lineno">  975</span>&#160;</div>
<div class="line"><a name="l00976"></a><span class="lineno">  976</span>&#160;    errno = ENOENT;</div>
<div class="line"><a name="l00977"></a><span class="lineno">  977</span>&#160;    <span class="keywordflow">return</span> NULL;</div>
<div class="line"><a name="l00978"></a><span class="lineno">  978</span>&#160;}</div>
<div class="line"><a name="l00979"></a><span class="lineno">  979</span>&#160;</div>
<div class="line"><a name="l00980"></a><span class="lineno">  980</span>&#160;<span class="keyword">static</span> qtreetbl_obj_t *remove_min(qtreetbl_obj_t *obj) {</div>
<div class="line"><a name="l00981"></a><span class="lineno">  981</span>&#160;    <span class="keywordflow">if</span> (obj-&gt;left == NULL) {</div>
<div class="line"><a name="l00982"></a><span class="lineno">  982</span>&#160;        <span class="comment">// 3-nodes are left-leaning, so this is a leaf.</span></div>
<div class="line"><a name="l00983"></a><span class="lineno">  983</span>&#160;        free(obj-&gt;name);</div>
<div class="line"><a name="l00984"></a><span class="lineno">  984</span>&#160;        free(obj-&gt;data);</div>
<div class="line"><a name="l00985"></a><span class="lineno">  985</span>&#160;        <span class="keywordflow">return</span> NULL;</div>
<div class="line"><a name="l00986"></a><span class="lineno">  986</span>&#160;    }</div>
<div class="line"><a name="l00987"></a><span class="lineno">  987</span>&#160;    <span class="keywordflow">if</span> (!is_red(obj-&gt;left) &amp;&amp; !is_red(obj-&gt;left-&gt;left)) {</div>
<div class="line"><a name="l00988"></a><span class="lineno">  988</span>&#160;        obj = move_red_left(obj);</div>
<div class="line"><a name="l00989"></a><span class="lineno">  989</span>&#160;    }</div>
<div class="line"><a name="l00990"></a><span class="lineno">  990</span>&#160;    obj-&gt;left = remove_min(obj-&gt;left);</div>
<div class="line"><a name="l00991"></a><span class="lineno">  991</span>&#160;    <span class="keywordflow">return</span> fix(obj);</div>
<div class="line"><a name="l00992"></a><span class="lineno">  992</span>&#160;}</div>
<div class="line"><a name="l00993"></a><span class="lineno">  993</span>&#160;</div>
<div class="line"><a name="l00994"></a><span class="lineno">  994</span>&#160;<span class="keyword">static</span> qtreetbl_obj_t *new_obj(<span class="keywordtype">bool</span> red, <span class="keyword">const</span> <span class="keywordtype">void</span> *name, <span class="keywordtype">size_t</span> namesize,</div>
<div class="line"><a name="l00995"></a><span class="lineno">  995</span>&#160;                               <span class="keyword">const</span> <span class="keywordtype">void</span> *data, <span class="keywordtype">size_t</span> datasize) {</div>
<div class="line"><a name="l00996"></a><span class="lineno">  996</span>&#160;    qtreetbl_obj_t *obj = (qtreetbl_obj_t *) calloc(1, <span class="keyword">sizeof</span>(qtreetbl_obj_t));</div>
<div class="line"><a name="l00997"></a><span class="lineno">  997</span>&#160;    <span class="keywordtype">void</span> *copyname = <a class="code" href="qstring_8c.html#acc32dbf9f419ef637d0547211b7125b9">qmemdup</a>(name, namesize);</div>
<div class="line"><a name="l00998"></a><span class="lineno">  998</span>&#160;    <span class="keywordtype">void</span> *copydata = <a class="code" href="qstring_8c.html#acc32dbf9f419ef637d0547211b7125b9">qmemdup</a>(data, datasize);</div>
<div class="line"><a name="l00999"></a><span class="lineno">  999</span>&#160;</div>
<div class="line"><a name="l01000"></a><span class="lineno"> 1000</span>&#160;    <span class="keywordflow">if</span> (obj == NULL || copyname == NULL || copydata == NULL) {</div>
<div class="line"><a name="l01001"></a><span class="lineno"> 1001</span>&#160;        errno = ENOMEM;</div>
<div class="line"><a name="l01002"></a><span class="lineno"> 1002</span>&#160;        free(obj);</div>
<div class="line"><a name="l01003"></a><span class="lineno"> 1003</span>&#160;        free(copyname);</div>
<div class="line"><a name="l01004"></a><span class="lineno"> 1004</span>&#160;        free(copydata);</div>
<div class="line"><a name="l01005"></a><span class="lineno"> 1005</span>&#160;        <span class="keywordflow">return</span> NULL;</div>
<div class="line"><a name="l01006"></a><span class="lineno"> 1006</span>&#160;    }</div>
<div class="line"><a name="l01007"></a><span class="lineno"> 1007</span>&#160;</div>
<div class="line"><a name="l01008"></a><span class="lineno"> 1008</span>&#160;    obj-&gt;red = red;</div>
<div class="line"><a name="l01009"></a><span class="lineno"> 1009</span>&#160;    obj-&gt;name = copyname;</div>
<div class="line"><a name="l01010"></a><span class="lineno"> 1010</span>&#160;    obj-&gt;namesize = namesize;</div>
<div class="line"><a name="l01011"></a><span class="lineno"> 1011</span>&#160;    obj-&gt;data = copydata;</div>
<div class="line"><a name="l01012"></a><span class="lineno"> 1012</span>&#160;    obj-&gt;datasize = datasize;</div>
<div class="line"><a name="l01013"></a><span class="lineno"> 1013</span>&#160;</div>
<div class="line"><a name="l01014"></a><span class="lineno"> 1014</span>&#160;    <span class="keywordflow">return</span> obj;</div>
<div class="line"><a name="l01015"></a><span class="lineno"> 1015</span>&#160;}</div>
<div class="line"><a name="l01016"></a><span class="lineno"> 1016</span>&#160;</div>
<div class="line"><a name="l01017"></a><span class="lineno"> 1017</span>&#160;<span class="keyword">static</span> qtreetbl_obj_t *put_obj(qtreetbl_t *tbl, qtreetbl_obj_t *obj,</div>
<div class="line"><a name="l01018"></a><span class="lineno"> 1018</span>&#160;                               <span class="keyword">const</span> <span class="keywordtype">void</span> *name, <span class="keywordtype">size_t</span> namesize,</div>
<div class="line"><a name="l01019"></a><span class="lineno"> 1019</span>&#160;                               <span class="keyword">const</span> <span class="keywordtype">void</span> *data, <span class="keywordtype">size_t</span> datasize) {</div>
<div class="line"><a name="l01020"></a><span class="lineno"> 1020</span>&#160;    <span class="keywordflow">if</span> (obj == NULL) {</div>
<div class="line"><a name="l01021"></a><span class="lineno"> 1021</span>&#160;        tbl-&gt;num++;</div>
<div class="line"><a name="l01022"></a><span class="lineno"> 1022</span>&#160;        <span class="keywordflow">return</span> new_obj(<span class="keyword">true</span>, name, namesize, data, datasize);</div>
<div class="line"><a name="l01023"></a><span class="lineno"> 1023</span>&#160;    }</div>
<div class="line"><a name="l01024"></a><span class="lineno"> 1024</span>&#160;</div>
<div class="line"><a name="l01025"></a><span class="lineno"> 1025</span>&#160;    <span class="comment">// split 4-nodes on the way down.</span></div>
<div class="line"><a name="l01026"></a><span class="lineno"> 1026</span>&#160;    <span class="keywordflow">if</span> (is_red(obj-&gt;left) &amp;&amp; is_red(obj-&gt;right)) {</div>
<div class="line"><a name="l01027"></a><span class="lineno"> 1027</span>&#160;        flip_color(obj);</div>
<div class="line"><a name="l01028"></a><span class="lineno"> 1028</span>&#160;    }</div>
<div class="line"><a name="l01029"></a><span class="lineno"> 1029</span>&#160;</div>
<div class="line"><a name="l01030"></a><span class="lineno"> 1030</span>&#160;    <span class="keywordtype">int</span> cmp = tbl-&gt;compare(obj-&gt;name, obj-&gt;namesize, name, namesize);</div>
<div class="line"><a name="l01031"></a><span class="lineno"> 1031</span>&#160;    <span class="keywordflow">if</span> (cmp == 0) {  <span class="comment">// existing key found.</span></div>
<div class="line"><a name="l01032"></a><span class="lineno"> 1032</span>&#160;        <span class="keywordtype">void</span> *copydata = <a class="code" href="qstring_8c.html#acc32dbf9f419ef637d0547211b7125b9">qmemdup</a>(data, datasize);</div>
<div class="line"><a name="l01033"></a><span class="lineno"> 1033</span>&#160;        <span class="keywordflow">if</span> (copydata != NULL) {</div>
<div class="line"><a name="l01034"></a><span class="lineno"> 1034</span>&#160;            free(obj-&gt;data);</div>
<div class="line"><a name="l01035"></a><span class="lineno"> 1035</span>&#160;            obj-&gt;data = copydata;</div>
<div class="line"><a name="l01036"></a><span class="lineno"> 1036</span>&#160;            obj-&gt;datasize = datasize;</div>
<div class="line"><a name="l01037"></a><span class="lineno"> 1037</span>&#160;        }</div>
<div class="line"><a name="l01038"></a><span class="lineno"> 1038</span>&#160;    } <span class="keywordflow">else</span> <span class="keywordflow">if</span> (cmp &lt; 0) {</div>
<div class="line"><a name="l01039"></a><span class="lineno"> 1039</span>&#160;        obj-&gt;right = put_obj(tbl, obj-&gt;right, name, namesize, data, datasize);</div>
<div class="line"><a name="l01040"></a><span class="lineno"> 1040</span>&#160;    } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l01041"></a><span class="lineno"> 1041</span>&#160;        obj-&gt;left = put_obj(tbl, obj-&gt;left, name, namesize, data, datasize);</div>
<div class="line"><a name="l01042"></a><span class="lineno"> 1042</span>&#160;    }</div>
<div class="line"><a name="l01043"></a><span class="lineno"> 1043</span>&#160;</div>
<div class="line"><a name="l01044"></a><span class="lineno"> 1044</span>&#160;    <span class="comment">// fix right-leaning reds on the way up</span></div>
<div class="line"><a name="l01045"></a><span class="lineno"> 1045</span>&#160;    <span class="keywordflow">if</span> (is_red(obj-&gt;right)) {</div>
<div class="line"><a name="l01046"></a><span class="lineno"> 1046</span>&#160;        obj = rotate_left(obj);</div>
<div class="line"><a name="l01047"></a><span class="lineno"> 1047</span>&#160;    }</div>
<div class="line"><a name="l01048"></a><span class="lineno"> 1048</span>&#160;</div>
<div class="line"><a name="l01049"></a><span class="lineno"> 1049</span>&#160;    <span class="comment">// fix two reds in a row on the way up</span></div>
<div class="line"><a name="l01050"></a><span class="lineno"> 1050</span>&#160;    <span class="keywordflow">if</span> (is_red(obj-&gt;left) &amp;&amp; is_red(obj-&gt;left-&gt;left)) {</div>
<div class="line"><a name="l01051"></a><span class="lineno"> 1051</span>&#160;        obj = rotate_right(obj);</div>
<div class="line"><a name="l01052"></a><span class="lineno"> 1052</span>&#160;    }</div>
<div class="line"><a name="l01053"></a><span class="lineno"> 1053</span>&#160;</div>
<div class="line"><a name="l01054"></a><span class="lineno"> 1054</span>&#160;    <span class="keywordflow">return</span> obj;</div>
<div class="line"><a name="l01055"></a><span class="lineno"> 1055</span>&#160;}</div>
<div class="line"><a name="l01056"></a><span class="lineno"> 1056</span>&#160;</div>
<div class="line"><a name="l01057"></a><span class="lineno"> 1057</span>&#160;<span class="keyword">static</span> qtreetbl_obj_t *remove_obj(qtreetbl_t *tbl, qtreetbl_obj_t *obj,</div>
<div class="line"><a name="l01058"></a><span class="lineno"> 1058</span>&#160;                                  <span class="keyword">const</span> <span class="keywordtype">void</span> *name, <span class="keywordtype">size_t</span> namesize) {</div>
<div class="line"><a name="l01059"></a><span class="lineno"> 1059</span>&#160;    <span class="keywordflow">if</span> (obj == NULL) {</div>
<div class="line"><a name="l01060"></a><span class="lineno"> 1060</span>&#160;        errno = ENOENT;</div>
<div class="line"><a name="l01061"></a><span class="lineno"> 1061</span>&#160;        <span class="keywordflow">return</span> NULL;</div>
<div class="line"><a name="l01062"></a><span class="lineno"> 1062</span>&#160;    }</div>
<div class="line"><a name="l01063"></a><span class="lineno"> 1063</span>&#160;</div>
<div class="line"><a name="l01064"></a><span class="lineno"> 1064</span>&#160;    <span class="keywordflow">if</span> (tbl-&gt;compare(name, namesize, obj-&gt;name, obj-&gt;namesize) &lt; 0) {  <span class="comment">// left</span></div>
<div class="line"><a name="l01065"></a><span class="lineno"> 1065</span>&#160;        <span class="comment">// move red left</span></div>
<div class="line"><a name="l01066"></a><span class="lineno"> 1066</span>&#160;        <span class="keywordflow">if</span> (obj-&gt;left &amp;&amp; (!is_red(obj-&gt;left) &amp;&amp; !is_red(obj-&gt;left-&gt;left))) {</div>
<div class="line"><a name="l01067"></a><span class="lineno"> 1067</span>&#160;            obj = move_red_left(obj);</div>
<div class="line"><a name="l01068"></a><span class="lineno"> 1068</span>&#160;        }</div>
<div class="line"><a name="l01069"></a><span class="lineno"> 1069</span>&#160;        <span class="comment">// keep going down to the left</span></div>
<div class="line"><a name="l01070"></a><span class="lineno"> 1070</span>&#160;        obj-&gt;left = remove_obj(tbl, obj-&gt;left, name, namesize);</div>
<div class="line"><a name="l01071"></a><span class="lineno"> 1071</span>&#160;    } <span class="keywordflow">else</span> {  <span class="comment">// right or equal</span></div>
<div class="line"><a name="l01072"></a><span class="lineno"> 1072</span>&#160;        <span class="keywordflow">if</span> (is_red(obj-&gt;left)) {</div>
<div class="line"><a name="l01073"></a><span class="lineno"> 1073</span>&#160;            obj = rotate_right(obj);</div>
<div class="line"><a name="l01074"></a><span class="lineno"> 1074</span>&#160;        }</div>
<div class="line"><a name="l01075"></a><span class="lineno"> 1075</span>&#160;        <span class="comment">// remove if equal at the bottom</span></div>
<div class="line"><a name="l01076"></a><span class="lineno"> 1076</span>&#160;        <span class="keywordflow">if</span> (tbl-&gt;compare(name, namesize, obj-&gt;name, obj-&gt;namesize)</div>
<div class="line"><a name="l01077"></a><span class="lineno"> 1077</span>&#160;                == 0&amp;&amp; obj-&gt;right == NULL) {</div>
<div class="line"><a name="l01078"></a><span class="lineno"> 1078</span>&#160;            free(obj-&gt;name);</div>
<div class="line"><a name="l01079"></a><span class="lineno"> 1079</span>&#160;            free(obj-&gt;data);</div>
<div class="line"><a name="l01080"></a><span class="lineno"> 1080</span>&#160;            free(obj);</div>
<div class="line"><a name="l01081"></a><span class="lineno"> 1081</span>&#160;            tbl-&gt;num--;</div>
<div class="line"><a name="l01082"></a><span class="lineno"> 1082</span>&#160;            assert(tbl-&gt;num &gt;= 0);</div>
<div class="line"><a name="l01083"></a><span class="lineno"> 1083</span>&#160;            <span class="keywordflow">return</span> NULL;</div>
<div class="line"><a name="l01084"></a><span class="lineno"> 1084</span>&#160;        }</div>
<div class="line"><a name="l01085"></a><span class="lineno"> 1085</span>&#160;        <span class="comment">// move red right</span></div>
<div class="line"><a name="l01086"></a><span class="lineno"> 1086</span>&#160;        <span class="keywordflow">if</span> (obj-&gt;right != NULL</div>
<div class="line"><a name="l01087"></a><span class="lineno"> 1087</span>&#160;                &amp;&amp; (!is_red(obj-&gt;right) &amp;&amp; !is_red(obj-&gt;right-&gt;left))) {</div>
<div class="line"><a name="l01088"></a><span class="lineno"> 1088</span>&#160;            obj = move_red_right(obj);</div>
<div class="line"><a name="l01089"></a><span class="lineno"> 1089</span>&#160;        }</div>
<div class="line"><a name="l01090"></a><span class="lineno"> 1090</span>&#160;        <span class="comment">// found in the middle</span></div>
<div class="line"><a name="l01091"></a><span class="lineno"> 1091</span>&#160;        <span class="keywordflow">if</span> (tbl-&gt;compare(name, namesize, obj-&gt;name, obj-&gt;namesize) == 0) {</div>
<div class="line"><a name="l01092"></a><span class="lineno"> 1092</span>&#160;            <span class="comment">// copy min to this then remove min. What a genius inventor!</span></div>
<div class="line"><a name="l01093"></a><span class="lineno"> 1093</span>&#160;            qtreetbl_obj_t *minobj = find_min(obj-&gt;right);</div>
<div class="line"><a name="l01094"></a><span class="lineno"> 1094</span>&#160;            assert(minobj != NULL);</div>
<div class="line"><a name="l01095"></a><span class="lineno"> 1095</span>&#160;            free(obj-&gt;name);</div>
<div class="line"><a name="l01096"></a><span class="lineno"> 1096</span>&#160;            free(obj-&gt;data);</div>
<div class="line"><a name="l01097"></a><span class="lineno"> 1097</span>&#160;            obj-&gt;name = <a class="code" href="qstring_8c.html#acc32dbf9f419ef637d0547211b7125b9">qmemdup</a>(minobj-&gt;name, minobj-&gt;namesize);</div>
<div class="line"><a name="l01098"></a><span class="lineno"> 1098</span>&#160;            obj-&gt;namesize = minobj-&gt;namesize;</div>
<div class="line"><a name="l01099"></a><span class="lineno"> 1099</span>&#160;            obj-&gt;data = <a class="code" href="qstring_8c.html#acc32dbf9f419ef637d0547211b7125b9">qmemdup</a>(minobj-&gt;data, minobj-&gt;datasize);</div>
<div class="line"><a name="l01100"></a><span class="lineno"> 1100</span>&#160;            obj-&gt;datasize = minobj-&gt;datasize;</div>
<div class="line"><a name="l01101"></a><span class="lineno"> 1101</span>&#160;            obj-&gt;right = remove_min(obj-&gt;right);</div>
<div class="line"><a name="l01102"></a><span class="lineno"> 1102</span>&#160;            tbl-&gt;num--;</div>
<div class="line"><a name="l01103"></a><span class="lineno"> 1103</span>&#160;        } <span class="keywordflow">else</span> {</div>
<div class="line"><a name="l01104"></a><span class="lineno"> 1104</span>&#160;            <span class="comment">// keep going down to the right</span></div>
<div class="line"><a name="l01105"></a><span class="lineno"> 1105</span>&#160;            obj-&gt;right = remove_obj(tbl, obj-&gt;right, name, namesize);</div>
<div class="line"><a name="l01106"></a><span class="lineno"> 1106</span>&#160;        }</div>
<div class="line"><a name="l01107"></a><span class="lineno"> 1107</span>&#160;    }</div>
<div class="line"><a name="l01108"></a><span class="lineno"> 1108</span>&#160;    <span class="comment">// Fix right-leaning red nodes on the way up.</span></div>
<div class="line"><a name="l01109"></a><span class="lineno"> 1109</span>&#160;    <span class="keywordflow">return</span> fix(obj);</div>
<div class="line"><a name="l01110"></a><span class="lineno"> 1110</span>&#160;}</div>
<div class="line"><a name="l01111"></a><span class="lineno"> 1111</span>&#160;</div>
<div class="line"><a name="l01112"></a><span class="lineno"> 1112</span>&#160;<span class="keyword">static</span> <span class="keywordtype">void</span> free_objs(qtreetbl_obj_t *obj) {</div>
<div class="line"><a name="l01113"></a><span class="lineno"> 1113</span>&#160;    <span class="keywordflow">if</span> (obj == NULL) {</div>
<div class="line"><a name="l01114"></a><span class="lineno"> 1114</span>&#160;        <span class="keywordflow">return</span>;</div>
<div class="line"><a name="l01115"></a><span class="lineno"> 1115</span>&#160;    }</div>
<div class="line"><a name="l01116"></a><span class="lineno"> 1116</span>&#160;    <span class="keywordflow">if</span> (obj-&gt;left) {</div>
<div class="line"><a name="l01117"></a><span class="lineno"> 1117</span>&#160;        free_objs(obj-&gt;left);</div>
<div class="line"><a name="l01118"></a><span class="lineno"> 1118</span>&#160;    }</div>
<div class="line"><a name="l01119"></a><span class="lineno"> 1119</span>&#160;    <span class="keywordflow">if</span> (obj-&gt;right) {</div>
<div class="line"><a name="l01120"></a><span class="lineno"> 1120</span>&#160;        free_objs(obj-&gt;right);</div>
<div class="line"><a name="l01121"></a><span class="lineno"> 1121</span>&#160;    }</div>
<div class="line"><a name="l01122"></a><span class="lineno"> 1122</span>&#160;    free_obj(obj);</div>
<div class="line"><a name="l01123"></a><span class="lineno"> 1123</span>&#160;}</div>
<div class="line"><a name="l01124"></a><span class="lineno"> 1124</span>&#160;</div>
<div class="line"><a name="l01125"></a><span class="lineno"> 1125</span>&#160;<span class="keyword">static</span> <span class="keywordtype">void</span> free_obj(qtreetbl_obj_t *obj) {</div>
<div class="line"><a name="l01126"></a><span class="lineno"> 1126</span>&#160;    <span class="keywordflow">if</span> (obj == NULL) {</div>
<div class="line"><a name="l01127"></a><span class="lineno"> 1127</span>&#160;        <span class="keywordflow">return</span>;</div>
<div class="line"><a name="l01128"></a><span class="lineno"> 1128</span>&#160;    }</div>
<div class="line"><a name="l01129"></a><span class="lineno"> 1129</span>&#160;    free(obj-&gt;name);</div>
<div class="line"><a name="l01130"></a><span class="lineno"> 1130</span>&#160;    free(obj-&gt;data);</div>
<div class="line"><a name="l01131"></a><span class="lineno"> 1131</span>&#160;    free(obj);</div>
<div class="line"><a name="l01132"></a><span class="lineno"> 1132</span>&#160;}</div>
<div class="line"><a name="l01133"></a><span class="lineno"> 1133</span>&#160;</div>
<div class="line"><a name="l01134"></a><span class="lineno"> 1134</span>&#160;<span class="keyword">static</span> uint8_t reset_iterator(qtreetbl_t *tbl) {</div>
<div class="line"><a name="l01135"></a><span class="lineno"> 1135</span>&#160;    <span class="keywordflow">return</span> (++tbl-&gt;tid);</div>
<div class="line"><a name="l01136"></a><span class="lineno"> 1136</span>&#160;}</div>
<div class="line"><a name="l01137"></a><span class="lineno"> 1137</span>&#160;</div>
<div class="line"><a name="l01138"></a><span class="lineno"> 1138</span>&#160;<span class="preprocessor">#endif</span></div>
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<div class="ttc" id="qtreetbl_8c_html_a88a8e67f478390c6b25780fda3134a8d"><div class="ttname"><a href="qtreetbl_8c.html#a88a8e67f478390c6b25780fda3134a8d">qtreetbl_unlock</a></div><div class="ttdeci">void qtreetbl_unlock(qtreetbl_t *tbl)</div><div class="ttdoc">qtreetbl-&gt;unlock(): Leave critical section. </div><div class="ttdef"><b>Definition:</b> <a href="qtreetbl_8c_source.html#l00820">qtreetbl.c:820</a></div></div>
<div class="ttc" id="qtreetbl_8c_html_ad2a7a784bf15be78fb7e72ab25940fe5"><div class="ttname"><a href="qtreetbl_8c.html#ad2a7a784bf15be78fb7e72ab25940fe5">qtreetbl_put_by_obj</a></div><div class="ttdeci">bool qtreetbl_put_by_obj(qtreetbl_t *tbl, const void *name, size_t namesize, const void *data, size_t datasize)</div><div class="ttdoc">qtreetbl-&gt;put_by_obj(): Put an object data into this table with an object name. </div><div class="ttdef"><b>Definition:</b> <a href="qtreetbl_8c_source.html#l00328">qtreetbl.c:328</a></div></div>
<div class="ttc" id="qtreetbl_8c_html_a7b324cf9e317a2623c5767b8a0183f72"><div class="ttname"><a href="qtreetbl_8c.html#a7b324cf9e317a2623c5767b8a0183f72">qtreetbl_clear</a></div><div class="ttdeci">void qtreetbl_clear(qtreetbl_t *tbl)</div><div class="ttdoc">qtreetbl-&gt;clear(): Clears the table so that it contains no keys. </div><div class="ttdef"><b>Definition:</b> <a href="qtreetbl_8c_source.html#l00786">qtreetbl.c:786</a></div></div>
<div class="ttc" id="qtreetbl_8c_html_aa2c4f3ac4623feb251fadabbdf734bdd"><div class="ttname"><a href="qtreetbl_8c.html#aa2c4f3ac4623feb251fadabbdf734bdd">qtreetbl_find_nearest</a></div><div class="ttdeci">qtreetbl_obj_t qtreetbl_find_nearest(qtreetbl_t *tbl, const void *name, size_t namesize, bool newmem)</div><div class="ttdoc">qtreetbl-&gt;find_nearest(): Find equal or nearest object. </div><div class="ttdef"><b>Definition:</b> <a href="qtreetbl_8c_source.html#l00712">qtreetbl.c:712</a></div></div>
<div class="ttc" id="qtreetbl_8c_html_a3354408a36cb5d6fd724727dda04d1f3"><div class="ttname"><a href="qtreetbl_8c.html#a3354408a36cb5d6fd724727dda04d1f3">qtreetbl_remove</a></div><div class="ttdeci">bool qtreetbl_remove(qtreetbl_t *tbl, const char *name)</div><div class="ttdoc">qtreetbl-&gt;remove(): Remove an object from this table. </div><div class="ttdef"><b>Definition:</b> <a href="qtreetbl_8c_source.html#l00468">qtreetbl.c:468</a></div></div>
<div class="ttc" id="qstring_8c_html_acc32dbf9f419ef637d0547211b7125b9"><div class="ttname"><a href="qstring_8c.html#acc32dbf9f419ef637d0547211b7125b9">qmemdup</a></div><div class="ttdeci">void * qmemdup(const void *data, size_t size)</div><div class="ttdoc">Duplicate a copy of memory data. </div><div class="ttdef"><b>Definition:</b> <a href="qstring_8c_source.html#l00406">qstring.c:406</a></div></div>
<div class="ttc" id="qtreetbl_8c_html_a49e05111c8541c7155e352fb618cf170"><div class="ttname"><a href="qtreetbl_8c.html#a49e05111c8541c7155e352fb618cf170">qtreetbl_put</a></div><div class="ttdeci">bool qtreetbl_put(qtreetbl_t *tbl, const char *name, const void *data, size_t datasize)</div><div class="ttdoc">qtreetbl-&gt;put(): Put an object into this table with string type key. </div><div class="ttdef"><b>Definition:</b> <a href="qtreetbl_8c_source.html#l00260">qtreetbl.c:260</a></div></div>
<div class="ttc" id="qtreetbl_8c_html_af9e239f384bd9939c34361a45dd496a6"><div class="ttname"><a href="qtreetbl_8c.html#af9e239f384bd9939c34361a45dd496a6">qtreetbl_set_compare</a></div><div class="ttdeci">void qtreetbl_set_compare(qtreetbl_t *tbl, int(*cmp)(const void *name1, size_t namesize1, const void *name2, size_t namesize2))</div><div class="ttdoc">qtreetbl-&gt;set_compare(): Set user comparator. </div><div class="ttdef"><b>Definition:</b> <a href="qtreetbl_8c_source.html#l00240">qtreetbl.c:240</a></div></div>
<div class="ttc" id="qtreetbl_8c_html_ab3232b711f0462533a066ecffb01a297"><div class="ttname"><a href="qtreetbl_8c.html#ab3232b711f0462533a066ecffb01a297">qtreetbl_get</a></div><div class="ttdeci">void * qtreetbl_get(qtreetbl_t *tbl, const char *name, size_t *datasize, bool newmem)</div><div class="ttdoc">qtreetbl-&gt;get(): Get an object from this table. </div><div class="ttdef"><b>Definition:</b> <a href="qtreetbl_8c_source.html#l00384">qtreetbl.c:384</a></div></div>
<div class="ttc" id="qtreetbl_8c_html_a5c8aa458bac0dc5e7dc0ab97c6f52dfd"><div class="ttname"><a href="qtreetbl_8c.html#a5c8aa458bac0dc5e7dc0ab97c6f52dfd">qtreetbl_lock</a></div><div class="ttdeci">void qtreetbl_lock(qtreetbl_t *tbl)</div><div class="ttdoc">qtreetbl-&gt;lock(): Enter critical section. </div><div class="ttdef"><b>Definition:</b> <a href="qtreetbl_8c_source.html#l00807">qtreetbl.c:807</a></div></div>
<div class="ttc" id="qtreetbl_8c_html_ac475383244c35814d0950f0fa0c6414e"><div class="ttname"><a href="qtreetbl_8c.html#ac475383244c35814d0950f0fa0c6414e">qtreetbl_putstrf</a></div><div class="ttdeci">bool qtreetbl_putstrf(qtreetbl_t *tbl, const char *name, const char *format,...)</div><div class="ttdoc">qtreetbl-&gt;putstrf(): Put a formatted string into this table. </div><div class="ttdef"><b>Definition:</b> <a href="qtreetbl_8c_source.html#l00297">qtreetbl.c:297</a></div></div>
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